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Finding the Fourth Proportional to 324,671.63, 487,014.73 and 111,439.13

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Solution

The fourth proportional to 324,671.63, 487,014.73 and 111,439.13 is: 167,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,671.63 : 487,014.73 = 111,439.13 : x
  2. Step 2: Convert to fraction form
    324,671.63/487,014.73 = 111,439.13/x
  3. Step 3: Cross multiply
    324,671.63x = 487,014.73 × 111,439.13
  4. Step 4: Simplify right side
    324,671.63x = 54,272,495,094.71
  5. Step 5: Solve for x
    x = 54,272,495,094.71/324,671.63
  6. Step 6: Final answer
    x = 167,161.19

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1.5x scale

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.