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Finding the Fourth Proportional to 529,714.80, 794,572.20 and 174,643.20

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Solution

The fourth proportional to 529,714.80, 794,572.20 and 174,643.20 is: 261,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,714.80 : 794,572.20 = 174,643.20 : x
  2. Step 2: Convert to fraction form
    529,714.80/794,572.20 = 174,643.20/x
  3. Step 3: Cross multiply
    529,714.80x = 794,572.20 × 174,643.20
  4. Step 4: Simplify right side
    529,714.80x = 138,766,631,639.04
  5. Step 5: Solve for x
    x = 138,766,631,639.04/529,714.80
  6. Step 6: Final answer
    x = 261,964.80

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Similar ratio
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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.