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Finding the Fourth Proportional to 610,657.52, 842,691.09 and 352,525.73

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Solution

The fourth proportional to 610,657.52, 842,691.09 and 352,525.73 is: 486,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,657.52 : 842,691.09 = 352,525.73 : x
  2. Step 2: Convert to fraction form
    610,657.52/842,691.09 = 352,525.73/x
  3. Step 3: Cross multiply
    610,657.52x = 842,691.09 × 352,525.73
  4. Step 4: Simplify right side
    610,657.52x = 297,070,291,666.75
  5. Step 5: Solve for x
    x = 297,070,291,666.75/610,657.52
  6. Step 6: Final answer
    x = 486,476.10

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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.