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Finding the Fourth Proportional to 722,272.16, 996,404.82 and 467,705.36

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Solution

The fourth proportional to 722,272.16, 996,404.82 and 467,705.36 is: 645,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,272.16 : 996,404.82 = 467,705.36 : x
  2. Step 2: Convert to fraction form
    722,272.16/996,404.82 = 467,705.36/x
  3. Step 3: Cross multiply
    722,272.16x = 996,404.82 × 467,705.36
  4. Step 4: Simplify right side
    722,272.16x = 466,023,875,043.84
  5. Step 5: Solve for x
    x = 466,023,875,043.84/722,272.16
  6. Step 6: Final answer
    x = 645,219.21

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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.