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Finding the Fourth Proportional to 315,483.24, 435,360.96 and 179,514.12

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Solution

The fourth proportional to 315,483.24, 435,360.96 and 179,514.12 is: 247,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,483.24 : 435,360.96 = 179,514.12 : x
  2. Step 2: Convert to fraction form
    315,483.24/435,360.96 = 179,514.12/x
  3. Step 3: Cross multiply
    315,483.24x = 435,360.96 × 179,514.12
  4. Step 4: Simplify right side
    315,483.24x = 78,153,439,616.76
  5. Step 5: Solve for x
    x = 78,153,439,616.76/315,483.24
  6. Step 6: Final answer
    x = 247,726.12

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1.5x scale

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.