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Finding the Fourth Proportional to 324,953.48, 487,476.66 and 100,332.38

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Solution

The fourth proportional to 324,953.48, 487,476.66 and 100,332.38 is: 150,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,953.48 : 487,476.66 = 100,332.38 : x
  2. Step 2: Convert to fraction form
    324,953.48/487,476.66 = 100,332.38/x
  3. Step 3: Cross multiply
    324,953.48x = 487,476.66 × 100,332.38
  4. Step 4: Simplify right side
    324,953.48x = 48,909,693,492.25
  5. Step 5: Solve for x
    x = 48,909,693,492.25/324,953.48
  6. Step 6: Final answer
    x = 150,512.91

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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.