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Finding the Fourth Proportional to 550,925.16, 762,462.36 and 537,671.76

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Solution

The fourth proportional to 550,925.16, 762,462.36 and 537,671.76 is: 744,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,925.16 : 762,462.36 = 537,671.76 : x
  2. Step 2: Convert to fraction form
    550,925.16/762,462.36 = 537,671.76/x
  3. Step 3: Cross multiply
    550,925.16x = 762,462.36 × 537,671.76
  4. Step 4: Simplify right side
    550,925.16x = 409,954,479,034.95
  5. Step 5: Solve for x
    x = 409,954,479,034.95/550,925.16
  6. Step 6: Final answer
    x = 744,120.09

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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.