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Finding the Fourth Proportional to 532,263.60, 798,395.40 and 492,022.80

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Solution

The fourth proportional to 532,263.60, 798,395.40 and 492,022.80 is: 738,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,263.60 : 798,395.40 = 492,022.80 : x
  2. Step 2: Convert to fraction form
    532,263.60/798,395.40 = 492,022.80/x
  3. Step 3: Cross multiply
    532,263.60x = 798,395.40 × 492,022.80
  4. Step 4: Simplify right side
    532,263.60x = 392,828,740,215.12
  5. Step 5: Solve for x
    x = 392,828,740,215.12/532,263.60
  6. Step 6: Final answer
    x = 738,034.20

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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.