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Finding the Fourth Proportional to 531,217.59, 733,058.88 and 289,494.97

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Solution

The fourth proportional to 531,217.59, 733,058.88 and 289,494.97 is: 399,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,217.59 : 733,058.88 = 289,494.97 : x
  2. Step 2: Convert to fraction form
    531,217.59/733,058.88 = 289,494.97/x
  3. Step 3: Cross multiply
    531,217.59x = 733,058.88 × 289,494.97
  4. Step 4: Simplify right side
    531,217.59x = 212,216,858,473.83
  5. Step 5: Solve for x
    x = 212,216,858,473.83/531,217.59
  6. Step 6: Final answer
    x = 399,491.40

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1.5x scale

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.