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Finding the Fourth Proportional to 310,897,129.80, 466,345,694.70 and 95,458,384.20

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Solution

The fourth proportional to 310,897,129.80, 466,345,694.70 and 95,458,384.20 is: 143,187,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,897,129.80 : 466,345,694.70 = 95,458,384.20 : x
  2. Step 2: Convert to fraction form
    310,897,129.80/466,345,694.70 = 95,458,384.20/x
  3. Step 3: Cross multiply
    310,897,129.80x = 466,345,694.70 × 95,458,384.20
  4. Step 4: Simplify right side
    310,897,129.80x = 44,516,606,494,688,504
  5. Step 5: Solve for x
    x = 44,516,606,494,688,504/310,897,129.80
  6. Step 6: Final answer
    x = 143,187,576.30

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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.