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Finding the Fourth Proportional to 532,853.40, 799,280.10 and 413,880.60

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Solution

The fourth proportional to 532,853.40, 799,280.10 and 413,880.60 is: 620,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,853.40 : 799,280.10 = 413,880.60 : x
  2. Step 2: Convert to fraction form
    532,853.40/799,280.10 = 413,880.60/x
  3. Step 3: Cross multiply
    532,853.40x = 799,280.10 × 413,880.60
  4. Step 4: Simplify right side
    532,853.40x = 330,806,527,356.06
  5. Step 5: Solve for x
    x = 330,806,527,356.06/532,853.40
  6. Step 6: Final answer
    x = 620,820.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.