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Finding the Fourth Proportional to 574,971.60, 864,012.60 and 506,542.80

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Solution

The fourth proportional to 574,971.60, 864,012.60 and 506,542.80 is: 761,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,971.60 : 864,012.60 = 506,542.80 : x
  2. Step 2: Convert to fraction form
    574,971.60/864,012.60 = 506,542.80/x
  3. Step 3: Cross multiply
    574,971.60x = 864,012.60 × 506,542.80
  4. Step 4: Simplify right side
    574,971.60x = 437,659,361,639.28
  5. Step 5: Solve for x
    x = 437,659,361,639.28/574,971.60
  6. Step 6: Final answer
    x = 761,184.31

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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.