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Finding the Fourth Proportional to 1,032.95, 1,549.53 and 416.61

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Solution

The fourth proportional to 1,032.95, 1,549.53 and 416.61 is: 624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.95 : 1,549.53 = 416.61 : x
  2. Step 2: Convert to fraction form
    1,032.95/1,549.53 = 416.61/x
  3. Step 3: Cross multiply
    1,032.95x = 1,549.53 × 416.61
  4. Step 4: Simplify right side
    1,032.95x = 645,549.69
  5. Step 5: Solve for x
    x = 645,549.69/1,032.95
  6. Step 6: Final answer
    x = 624.96

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Why These Related Problems?

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