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Finding the Fourth Proportional to 573,282.70, 859,664.85 and 257,577.10

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Solution

The fourth proportional to 573,282.70, 859,664.85 and 257,577.10 is: 386,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,282.70 : 859,664.85 = 257,577.10 : x
  2. Step 2: Convert to fraction form
    573,282.70/859,664.85 = 257,577.10/x
  3. Step 3: Cross multiply
    573,282.70x = 859,664.85 × 257,577.10
  4. Step 4: Simplify right side
    573,282.70x = 221,429,979,034.94
  5. Step 5: Solve for x
    x = 221,429,979,034.94/573,282.70
  6. Step 6: Final answer
    x = 386,249.19

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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.