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Finding the Fourth Proportional to 514,987,351.62, 710,660,920.32 and 291,984,039.24

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Solution

The fourth proportional to 514,987,351.62, 710,660,920.32 and 291,984,039.24 is: 402,925,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,987,351.62 : 710,660,920.32 = 291,984,039.24 : x
  2. Step 2: Convert to fraction form
    514,987,351.62/710,660,920.32 = 291,984,039.24/x
  3. Step 3: Cross multiply
    514,987,351.62x = 710,660,920.32 × 291,984,039.24
  4. Step 4: Simplify right side
    514,987,351.62x = 207,501,646,045,049,408
  5. Step 5: Solve for x
    x = 207,501,646,045,049,408/514,987,351.62
  6. Step 6: Final answer
    x = 402,925,713.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.