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Finding the Fourth Proportional to 625,053.07, 862,572.42 and 338,574.29

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Solution

The fourth proportional to 625,053.07, 862,572.42 and 338,574.29 is: 467,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,053.07 : 862,572.42 = 338,574.29 : x
  2. Step 2: Convert to fraction form
    625,053.07/862,572.42 = 338,574.29/x
  3. Step 3: Cross multiply
    625,053.07x = 862,572.42 × 338,574.29
  4. Step 4: Simplify right side
    625,053.07x = 292,044,846,831.51
  5. Step 5: Solve for x
    x = 292,044,846,831.51/625,053.07
  6. Step 6: Final answer
    x = 467,232.08

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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.