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Finding the Fourth Proportional to 352,553,404.80, 528,313,780.80 and 316,161,724.80

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Solution

The fourth proportional to 352,553,404.80, 528,313,780.80 and 316,161,724.80 is: 473,779,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,553,404.80 : 528,313,780.80 = 316,161,724.80 : x
  2. Step 2: Convert to fraction form
    352,553,404.80/528,313,780.80 = 316,161,724.80/x
  3. Step 3: Cross multiply
    352,553,404.80x = 528,313,780.80 × 316,161,724.80
  4. Step 4: Simplify right side
    352,553,404.80x = 167,032,596,173,337,120
  5. Step 5: Solve for x
    x = 167,032,596,173,337,120/352,553,404.80
  6. Step 6: Final answer
    x = 473,779,557.65

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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.