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Finding the Fourth Proportional to 585,013.50, 877,520.25 and 141,781.50

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Solution

The fourth proportional to 585,013.50, 877,520.25 and 141,781.50 is: 212,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,013.50 : 877,520.25 = 141,781.50 : x
  2. Step 2: Convert to fraction form
    585,013.50/877,520.25 = 141,781.50/x
  3. Step 3: Cross multiply
    585,013.50x = 877,520.25 × 141,781.50
  4. Step 4: Simplify right side
    585,013.50x = 124,416,137,325.38
  5. Step 5: Solve for x
    x = 124,416,137,325.38/585,013.50
  6. Step 6: Final answer
    x = 212,672.25

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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.