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Finding the Fourth Proportional to 562,277.40, 843,416.10 and 508,039.80

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Solution

The fourth proportional to 562,277.40, 843,416.10 and 508,039.80 is: 762,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,277.40 : 843,416.10 = 508,039.80 : x
  2. Step 2: Convert to fraction form
    562,277.40/843,416.10 = 508,039.80/x
  3. Step 3: Cross multiply
    562,277.40x = 843,416.10 × 508,039.80
  4. Step 4: Simplify right side
    562,277.40x = 428,488,946,760.78
  5. Step 5: Solve for x
    x = 428,488,946,760.78/562,277.40
  6. Step 6: Final answer
    x = 762,059.70

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Double scale
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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.