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Finding the Fourth Proportional to 722,303.20, 996,447.56 and 467,736.40

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Solution

The fourth proportional to 722,303.20, 996,447.56 and 467,736.40 is: 645,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,303.20 : 996,447.56 = 467,736.40 : x
  2. Step 2: Convert to fraction form
    722,303.20/996,447.56 = 467,736.40/x
  3. Step 3: Cross multiply
    722,303.20x = 996,447.56 × 467,736.40
  4. Step 4: Simplify right side
    722,303.20x = 466,074,794,503.18
  5. Step 5: Solve for x
    x = 466,074,794,503.18/722,303.20
  6. Step 6: Final answer
    x = 645,261.98

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1.5x scale

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.