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Finding the Fourth Proportional to 602,662.50, 831,613.68 and 360,938.88

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Solution

The fourth proportional to 602,662.50, 831,613.68 and 360,938.88 is: 498,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,662.50 : 831,613.68 = 360,938.88 : x
  2. Step 2: Convert to fraction form
    602,662.50/831,613.68 = 360,938.88/x
  3. Step 3: Cross multiply
    602,662.50x = 831,613.68 × 360,938.88
  4. Step 4: Simplify right side
    602,662.50x = 300,161,710,251.88
  5. Step 5: Solve for x
    x = 300,161,710,251.88/602,662.50
  6. Step 6: Final answer
    x = 498,059.38

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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.