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Finding the Fourth Proportional to 576,987.58, 865,508.10 and 177,646.24

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Solution

The fourth proportional to 576,987.58, 865,508.10 and 177,646.24 is: 266,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,987.58 : 865,508.10 = 177,646.24 : x
  2. Step 2: Convert to fraction form
    576,987.58/865,508.10 = 177,646.24/x
  3. Step 3: Cross multiply
    576,987.58x = 865,508.10 × 177,646.24
  4. Step 4: Simplify right side
    576,987.58x = 153,754,259,654.54
  5. Step 5: Solve for x
    x = 153,754,259,654.54/576,987.58
  6. Step 6: Final answer
    x = 266,477.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.