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Finding the Fourth Proportional to 498,592.94, 688,060.08 and 272,238.44

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Solution

The fourth proportional to 498,592.94, 688,060.08 and 272,238.44 is: 375,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,592.94 : 688,060.08 = 272,238.44 : x
  2. Step 2: Convert to fraction form
    498,592.94/688,060.08 = 272,238.44/x
  3. Step 3: Cross multiply
    498,592.94x = 688,060.08 × 272,238.44
  4. Step 4: Simplify right side
    498,592.94x = 187,316,402,805.48
  5. Step 5: Solve for x
    x = 187,316,402,805.48/498,592.94
  6. Step 6: Final answer
    x = 375,690.04

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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.