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Finding the Fourth Proportional to 528,097.65, 792,146.48 and 291,901.65

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Solution

The fourth proportional to 528,097.65, 792,146.48 and 291,901.65 is: 437,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,097.65 : 792,146.48 = 291,901.65 : x
  2. Step 2: Convert to fraction form
    528,097.65/792,146.48 = 291,901.65/x
  3. Step 3: Cross multiply
    528,097.65x = 792,146.48 × 291,901.65
  4. Step 4: Simplify right side
    528,097.65x = 231,228,863,094.18
  5. Step 5: Solve for x
    x = 231,228,863,094.18/528,097.65
  6. Step 6: Final answer
    x = 437,852.48

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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.