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Finding the Fourth Proportional to 602,160.16, 831,214.80 and 451,694.88

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Solution

The fourth proportional to 602,160.16, 831,214.80 and 451,694.88 is: 623,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,160.16 : 831,214.80 = 451,694.88 : x
  2. Step 2: Convert to fraction form
    602,160.16/831,214.80 = 451,694.88/x
  3. Step 3: Cross multiply
    602,160.16x = 831,214.80 × 451,694.88
  4. Step 4: Simplify right side
    602,160.16x = 375,455,469,340.22
  5. Step 5: Solve for x
    x = 375,455,469,340.22/602,160.16
  6. Step 6: Final answer
    x = 623,514.30

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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.