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Finding the Fourth Proportional to 531,767.76, 733,841.80 and 290,055.52

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Solution

The fourth proportional to 531,767.76, 733,841.80 and 290,055.52 is: 400,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,767.76 : 733,841.80 = 290,055.52 : x
  2. Step 2: Convert to fraction form
    531,767.76/733,841.80 = 290,055.52/x
  3. Step 3: Cross multiply
    531,767.76x = 733,841.80 × 290,055.52
  4. Step 4: Simplify right side
    531,767.76x = 212,854,864,896.74
  5. Step 5: Solve for x
    x = 212,854,864,896.74/531,767.76
  6. Step 6: Final answer
    x = 400,277.87

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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.