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Finding the Fourth Proportional to 482,070.42, 722,878.97 and 178,254.66

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Solution

The fourth proportional to 482,070.42, 722,878.97 and 178,254.66 is: 267,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,070.42 : 722,878.97 = 178,254.66 : x
  2. Step 2: Convert to fraction form
    482,070.42/722,878.97 = 178,254.66/x
  3. Step 3: Cross multiply
    482,070.42x = 722,878.97 × 178,254.66
  4. Step 4: Simplify right side
    482,070.42x = 128,856,545,018.50
  5. Step 5: Solve for x
    x = 128,856,545,018.50/482,070.42
  6. Step 6: Final answer
    x = 267,298.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.