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Finding the Fourth Proportional to 530,752.52, 732,405.30 and 292,288.52

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Solution

The fourth proportional to 530,752.52, 732,405.30 and 292,288.52 is: 403,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,752.52 : 732,405.30 = 292,288.52 : x
  2. Step 2: Convert to fraction form
    530,752.52/732,405.30 = 292,288.52/x
  3. Step 3: Cross multiply
    530,752.52x = 732,405.30 × 292,288.52
  4. Step 4: Simplify right side
    530,752.52x = 214,073,661,177.16
  5. Step 5: Solve for x
    x = 214,073,661,177.16/530,752.52
  6. Step 6: Final answer
    x = 403,339.89

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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.