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Finding the Fourth Proportional to 632,358.68, 872,632.88 and 360,514.12

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Solution

The fourth proportional to 632,358.68, 872,632.88 and 360,514.12 is: 497,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,358.68 : 872,632.88 = 360,514.12 : x
  2. Step 2: Convert to fraction form
    632,358.68/872,632.88 = 360,514.12/x
  3. Step 3: Cross multiply
    632,358.68x = 872,632.88 × 360,514.12
  4. Step 4: Simplify right side
    632,358.68x = 314,596,474,816.27
  5. Step 5: Solve for x
    x = 314,596,474,816.27/632,358.68
  6. Step 6: Final answer
    x = 497,496.89

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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.