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Finding the Fourth Proportional to 528,099.15, 792,148.73 and 291,903.15

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Solution

The fourth proportional to 528,099.15, 792,148.73 and 291,903.15 is: 437,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,099.15 : 792,148.73 = 291,903.15 : x
  2. Step 2: Convert to fraction form
    528,099.15/792,148.73 = 291,903.15/x
  3. Step 3: Cross multiply
    528,099.15x = 792,148.73 × 291,903.15
  4. Step 4: Simplify right side
    528,099.15x = 231,230,708,095.98
  5. Step 5: Solve for x
    x = 231,230,708,095.98/528,099.15
  6. Step 6: Final answer
    x = 437,854.73

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.