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Finding the Fourth Proportional to 514,999.60, 772,280.70 and 248,841.70

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Solution

The fourth proportional to 514,999.60, 772,280.70 and 248,841.70 is: 373,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,999.60 : 772,280.70 = 248,841.70 : x
  2. Step 2: Convert to fraction form
    514,999.60/772,280.70 = 248,841.70/x
  3. Step 3: Cross multiply
    514,999.60x = 772,280.70 × 248,841.70
  4. Step 4: Simplify right side
    514,999.60x = 192,175,642,265.19
  5. Step 5: Solve for x
    x = 192,175,642,265.19/514,999.60
  6. Step 6: Final answer
    x = 373,156.88

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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.