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Finding the Fourth Proportional to 562,279.40, 843,419.10 and 508,041.80

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Solution

The fourth proportional to 562,279.40, 843,419.10 and 508,041.80 is: 762,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,279.40 : 843,419.10 = 508,041.80 : x
  2. Step 2: Convert to fraction form
    562,279.40/843,419.10 = 508,041.80/x
  3. Step 3: Cross multiply
    562,279.40x = 843,419.10 × 508,041.80
  4. Step 4: Simplify right side
    562,279.40x = 428,492,157,718.38
  5. Step 5: Solve for x
    x = 428,492,157,718.38/562,279.40
  6. Step 6: Final answer
    x = 762,062.70

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Similar ratio
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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.