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Finding the Fourth Proportional to 672,168.65, 927,658.11 and 502,107.53

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Solution

The fourth proportional to 672,168.65, 927,658.11 and 502,107.53 is: 692,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,168.65 : 927,658.11 = 502,107.53 : x
  2. Step 2: Convert to fraction form
    672,168.65/927,658.11 = 502,107.53/x
  3. Step 3: Cross multiply
    672,168.65x = 927,658.11 × 502,107.53
  4. Step 4: Simplify right side
    672,168.65x = 465,784,122,296.57
  5. Step 5: Solve for x
    x = 465,784,122,296.57/672,168.65
  6. Step 6: Final answer
    x = 692,957.22

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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.