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Finding the Fourth Proportional to 415,681.44, 573,591.65 and 234,382.58

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Solution

The fourth proportional to 415,681.44, 573,591.65 and 234,382.58 is: 323,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,681.44 : 573,591.65 = 234,382.58 : x
  2. Step 2: Convert to fraction form
    415,681.44/573,591.65 = 234,382.58/x
  3. Step 3: Cross multiply
    415,681.44x = 573,591.65 × 234,382.58
  4. Step 4: Simplify right side
    415,681.44x = 134,439,886,753.59
  5. Step 5: Solve for x
    x = 134,439,886,753.59/415,681.44
  6. Step 6: Final answer
    x = 323,420.47

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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.