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Finding the Fourth Proportional to 354,671.31, 532,247.94 and 144,347.52

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Solution

The fourth proportional to 354,671.31, 532,247.94 and 144,347.52 is: 216,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,671.31 : 532,247.94 = 144,347.52 : x
  2. Step 2: Convert to fraction form
    354,671.31/532,247.94 = 144,347.52/x
  3. Step 3: Cross multiply
    354,671.31x = 532,247.94 × 144,347.52
  4. Step 4: Simplify right side
    354,671.31x = 76,828,670,164.11
  5. Step 5: Solve for x
    x = 76,828,670,164.11/354,671.31
  6. Step 6: Final answer
    x = 216,619.35

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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.