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Finding the Fourth Proportional to 632,444.60, 948,010.80 and 347,697.20

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Solution

The fourth proportional to 632,444.60, 948,010.80 and 347,697.20 is: 521,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,444.60 : 948,010.80 = 347,697.20 : x
  2. Step 2: Convert to fraction form
    632,444.60/948,010.80 = 347,697.20/x
  3. Step 3: Cross multiply
    632,444.60x = 948,010.80 × 347,697.20
  4. Step 4: Simplify right side
    632,444.60x = 329,620,700,729.76
  5. Step 5: Solve for x
    x = 329,620,700,729.76/632,444.60
  6. Step 6: Final answer
    x = 521,185.10

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1.5x scale

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.