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Finding the Fourth Proportional to 526,187.84, 726,158.88 and 299,827.52

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Solution

The fourth proportional to 526,187.84, 726,158.88 and 299,827.52 is: 413,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,187.84 : 726,158.88 = 299,827.52 : x
  2. Step 2: Convert to fraction form
    526,187.84/726,158.88 = 299,827.52/x
  3. Step 3: Cross multiply
    526,187.84x = 726,158.88 × 299,827.52
  4. Step 4: Simplify right side
    526,187.84x = 217,722,416,116.38
  5. Step 5: Solve for x
    x = 217,722,416,116.38/526,187.84
  6. Step 6: Final answer
    x = 413,773.18

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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.