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Finding the Fourth Proportional to 600,891.75, 829,792.70 and 386,404.47

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Solution

The fourth proportional to 600,891.75, 829,792.70 and 386,404.47 is: 533,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,891.75 : 829,792.70 = 386,404.47 : x
  2. Step 2: Convert to fraction form
    600,891.75/829,792.70 = 386,404.47/x
  3. Step 3: Cross multiply
    600,891.75x = 829,792.70 × 386,404.47
  4. Step 4: Simplify right side
    600,891.75x = 320,635,602,372.38
  5. Step 5: Solve for x
    x = 320,635,602,372.38/600,891.75
  6. Step 6: Final answer
    x = 533,599.61

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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.