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Finding the Fourth Proportional to 528,033.40, 792,050.10 and 243,723.40

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Solution

The fourth proportional to 528,033.40, 792,050.10 and 243,723.40 is: 365,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,033.40 : 792,050.10 = 243,723.40 : x
  2. Step 2: Convert to fraction form
    528,033.40/792,050.10 = 243,723.40/x
  3. Step 3: Cross multiply
    528,033.40x = 792,050.10 × 243,723.40
  4. Step 4: Simplify right side
    528,033.40x = 193,041,143,342.34
  5. Step 5: Solve for x
    x = 193,041,143,342.34/528,033.40
  6. Step 6: Final answer
    x = 365,585.10

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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.