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Finding the Fourth Proportional to 532,367.40, 798,551.10 and 413,394.60

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Solution

The fourth proportional to 532,367.40, 798,551.10 and 413,394.60 is: 620,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,367.40 : 798,551.10 = 413,394.60 : x
  2. Step 2: Convert to fraction form
    532,367.40/798,551.10 = 413,394.60/x
  3. Step 3: Cross multiply
    532,367.40x = 798,551.10 × 413,394.60
  4. Step 4: Simplify right side
    532,367.40x = 330,116,712,564.06
  5. Step 5: Solve for x
    x = 330,116,712,564.06/532,367.40
  6. Step 6: Final answer
    x = 620,091.90

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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.