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Finding the Fourth Proportional to 532,045.61, 797,920.77 and 147,706.19

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Solution

The fourth proportional to 532,045.61, 797,920.77 and 147,706.19 is: 221,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,045.61 : 797,920.77 = 147,706.19 : x
  2. Step 2: Convert to fraction form
    532,045.61/797,920.77 = 147,706.19/x
  3. Step 3: Cross multiply
    532,045.61x = 797,920.77 × 147,706.19
  4. Step 4: Simplify right side
    532,045.61x = 117,857,836,858.57
  5. Step 5: Solve for x
    x = 117,857,836,858.57/532,045.61
  6. Step 6: Final answer
    x = 221,518.30

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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.