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Finding the Fourth Proportional to 532,740.30, 735,197.40 and 291,026.88

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Solution

The fourth proportional to 532,740.30, 735,197.40 and 291,026.88 is: 401,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,740.30 : 735,197.40 = 291,026.88 : x
  2. Step 2: Convert to fraction form
    532,740.30/735,197.40 = 291,026.88/x
  3. Step 3: Cross multiply
    532,740.30x = 735,197.40 × 291,026.88
  4. Step 4: Simplify right side
    532,740.30x = 213,962,205,506.11
  5. Step 5: Solve for x
    x = 213,962,205,506.11/532,740.30
  6. Step 6: Final answer
    x = 401,625.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.