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Finding the Fourth Proportional to 928,473, 1,390,549.48 and 902,932.20

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Solution

The fourth proportional to 928,473, 1,390,549.48 and 902,932.20 is: 1,352,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,473 : 1,390,549.48 = 902,932.20 : x
  2. Step 2: Convert to fraction form
    928,473/1,390,549.48 = 902,932.20/x
  3. Step 3: Cross multiply
    928,473x = 1,390,549.48 × 902,932.20
  4. Step 4: Simplify right side
    928,473x = 1,255,571,901,185.26
  5. Step 5: Solve for x
    x = 1,255,571,901,185.26/928,473
  6. Step 6: Final answer
    x = 1,352,297.70

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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.