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Finding the Fourth Proportional to 632,047.51, 872,227.13 and 345,586.08

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Solution

The fourth proportional to 632,047.51, 872,227.13 and 345,586.08 is: 476,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,047.51 : 872,227.13 = 345,586.08 : x
  2. Step 2: Convert to fraction form
    632,047.51/872,227.13 = 345,586.08/x
  3. Step 3: Cross multiply
    632,047.51x = 872,227.13 × 345,586.08
  4. Step 4: Simplify right side
    632,047.51x = 301,429,554,726.35
  5. Step 5: Solve for x
    x = 301,429,554,726.35/632,047.51
  6. Step 6: Final answer
    x = 476,909.65

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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.