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Finding the Fourth Proportional to 532,080.40, 798,120.60 and 488,534.80

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Solution

The fourth proportional to 532,080.40, 798,120.60 and 488,534.80 is: 732,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,080.40 : 798,120.60 = 488,534.80 : x
  2. Step 2: Convert to fraction form
    532,080.40/798,120.60 = 488,534.80/x
  3. Step 3: Cross multiply
    532,080.40x = 798,120.60 × 488,534.80
  4. Step 4: Simplify right side
    532,080.40x = 389,909,687,696.88
  5. Step 5: Solve for x
    x = 389,909,687,696.88/532,080.40
  6. Step 6: Final answer
    x = 732,802.20

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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.