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Finding the Fourth Proportional to 283,340.88, 390,887.10 and 162,454.44

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Solution

The fourth proportional to 283,340.88, 390,887.10 and 162,454.44 is: 224,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,340.88 : 390,887.10 = 162,454.44 : x
  2. Step 2: Convert to fraction form
    283,340.88/390,887.10 = 162,454.44/x
  3. Step 3: Cross multiply
    283,340.88x = 390,887.10 × 162,454.44
  4. Step 4: Simplify right side
    283,340.88x = 63,501,344,933.72
  5. Step 5: Solve for x
    x = 63,501,344,933.72/283,340.88
  6. Step 6: Final answer
    x = 224,116.42

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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.