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Finding the Fourth Proportional to 573,175.20, 859,762.80 and 518,062.80

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Solution

The fourth proportional to 573,175.20, 859,762.80 and 518,062.80 is: 777,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,175.20 : 859,762.80 = 518,062.80 : x
  2. Step 2: Convert to fraction form
    573,175.20/859,762.80 = 518,062.80/x
  3. Step 3: Cross multiply
    573,175.20x = 859,762.80 × 518,062.80
  4. Step 4: Simplify right side
    573,175.20x = 445,411,123,503.84
  5. Step 5: Solve for x
    x = 445,411,123,503.84/573,175.20
  6. Step 6: Final answer
    x = 777,094.20

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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.