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Finding the Fourth Proportional to 360,332,899.40, 540,499,349.10 and 207,277,891.40

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Solution

The fourth proportional to 360,332,899.40, 540,499,349.10 and 207,277,891.40 is: 310,916,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,332,899.40 : 540,499,349.10 = 207,277,891.40 : x
  2. Step 2: Convert to fraction form
    360,332,899.40/540,499,349.10 = 207,277,891.40/x
  3. Step 3: Cross multiply
    360,332,899.40x = 540,499,349.10 × 207,277,891.40
  4. Step 4: Simplify right side
    360,332,899.40x = 112,033,565,384,520,496
  5. Step 5: Solve for x
    x = 112,033,565,384,520,496/360,332,899.40
  6. Step 6: Final answer
    x = 310,916,837.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.