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Finding the Fourth Proportional to 283,407.48, 391,118.76 and 162,547.92

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Solution

The fourth proportional to 283,407.48, 391,118.76 and 162,547.92 is: 224,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,407.48 : 391,118.76 = 162,547.92 : x
  2. Step 2: Convert to fraction form
    283,407.48/391,118.76 = 162,547.92/x
  3. Step 3: Cross multiply
    283,407.48x = 391,118.76 × 162,547.92
  4. Step 4: Simplify right side
    283,407.48x = 63,575,540,910.98
  5. Step 5: Solve for x
    x = 63,575,540,910.98/283,407.48
  6. Step 6: Final answer
    x = 224,325.56

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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.