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Finding the Fourth Proportional to 722,297.64, 996,440.06 and 467,730.84

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Solution

The fourth proportional to 722,297.64, 996,440.06 and 467,730.84 is: 645,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,297.64 : 996,440.06 = 467,730.84 : x
  2. Step 2: Convert to fraction form
    722,297.64/996,440.06 = 467,730.84/x
  3. Step 3: Cross multiply
    722,297.64x = 996,440.06 × 467,730.84
  4. Step 4: Simplify right side
    722,297.64x = 466,065,746,273.45
  5. Step 5: Solve for x
    x = 466,065,746,273.45/722,297.64
  6. Step 6: Final answer
    x = 645,254.42

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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.