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Finding the Fourth Proportional to 367,539,331.20, 514,937,701.20 and 367,539,331.20

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Solution

The fourth proportional to 367,539,331.20, 514,937,701.20 and 367,539,331.20 is: 514,937,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,539,331.20 : 514,937,701.20 = 367,539,331.20 : x
  2. Step 2: Convert to fraction form
    367,539,331.20/514,937,701.20 = 367,539,331.20/x
  3. Step 3: Cross multiply
    367,539,331.20x = 514,937,701.20 × 367,539,331.20
  4. Step 4: Simplify right side
    367,539,331.20x = 189,259,858,308,713,440
  5. Step 5: Solve for x
    x = 189,259,858,308,713,440/367,539,331.20
  6. Step 6: Final answer
    x = 514,937,701.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.