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Finding the Fourth Proportional to 573,071.48, 859,613.70 and 173,709.08

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Solution

The fourth proportional to 573,071.48, 859,613.70 and 173,709.08 is: 260,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,071.48 : 859,613.70 = 173,709.08 : x
  2. Step 2: Convert to fraction form
    573,071.48/859,613.70 = 173,709.08/x
  3. Step 3: Cross multiply
    573,071.48x = 859,613.70 × 173,709.08
  4. Step 4: Simplify right side
    573,071.48x = 149,322,704,982.40
  5. Step 5: Solve for x
    x = 149,322,704,982.40/573,071.48
  6. Step 6: Final answer
    x = 260,565.58

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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.