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Finding the Fourth Proportional to 310,847,924.13, 429,007,752.17 and 176,918,405.18

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Solution

The fourth proportional to 310,847,924.13, 429,007,752.17 and 176,918,405.18 is: 244,168,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,847,924.13 : 429,007,752.17 = 176,918,405.18 : x
  2. Step 2: Convert to fraction form
    310,847,924.13/429,007,752.17 = 176,918,405.18/x
  3. Step 3: Cross multiply
    310,847,924.13x = 429,007,752.17 × 176,918,405.18
  4. Step 4: Simplify right side
    310,847,924.13x = 75,899,367,323,773,088
  5. Step 5: Solve for x
    x = 75,899,367,323,773,088/310,847,924.13
  6. Step 6: Final answer
    x = 244,168,808.71

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