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Finding the Fourth Proportional to 573,288.40, 859,932.60 and 471,811.60

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Solution

The fourth proportional to 573,288.40, 859,932.60 and 471,811.60 is: 707,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,288.40 : 859,932.60 = 471,811.60 : x
  2. Step 2: Convert to fraction form
    573,288.40/859,932.60 = 471,811.60/x
  3. Step 3: Cross multiply
    573,288.40x = 859,932.60 × 471,811.60
  4. Step 4: Simplify right side
    573,288.40x = 405,726,175,898.16
  5. Step 5: Solve for x
    x = 405,726,175,898.16/573,288.40
  6. Step 6: Final answer
    x = 707,717.40

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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.