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Finding the Fourth Proportional to 602,342.10, 831,092.70 and 360,532.80

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Solution

The fourth proportional to 602,342.10, 831,092.70 and 360,532.80 is: 497,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,342.10 : 831,092.70 = 360,532.80 : x
  2. Step 2: Convert to fraction form
    602,342.10/831,092.70 = 360,532.80/x
  3. Step 3: Cross multiply
    602,342.10x = 831,092.70 × 360,532.80
  4. Step 4: Simplify right side
    602,342.10x = 299,636,178,190.56
  5. Step 5: Solve for x
    x = 299,636,178,190.56/602,342.10
  6. Step 6: Final answer
    x = 497,451.83

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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.