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Finding the Fourth Proportional to 569,138.40, 853,707.60 and 532,274.40

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Solution

The fourth proportional to 569,138.40, 853,707.60 and 532,274.40 is: 798,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,138.40 : 853,707.60 = 532,274.40 : x
  2. Step 2: Convert to fraction form
    569,138.40/853,707.60 = 532,274.40/x
  3. Step 3: Cross multiply
    569,138.40x = 853,707.60 × 532,274.40
  4. Step 4: Simplify right side
    569,138.40x = 454,406,700,565.44
  5. Step 5: Solve for x
    x = 454,406,700,565.44/569,138.40
  6. Step 6: Final answer
    x = 798,411.60

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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.