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Finding the Fourth Proportional to 502,031.56, 692,808.54 and 272,590.73

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Solution

The fourth proportional to 502,031.56, 692,808.54 and 272,590.73 is: 376,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,031.56 : 692,808.54 = 272,590.73 : x
  2. Step 2: Convert to fraction form
    502,031.56/692,808.54 = 272,590.73/x
  3. Step 3: Cross multiply
    502,031.56x = 692,808.54 × 272,590.73
  4. Step 4: Simplify right side
    502,031.56x = 188,853,185,668.83
  5. Step 5: Solve for x
    x = 188,853,185,668.83/502,031.56
  6. Step 6: Final answer
    x = 376,177.92

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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.