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Finding the Fourth Proportional to 367,073.55, 550,810.94 and 142,442.82

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Solution

The fourth proportional to 367,073.55, 550,810.94 and 142,442.82 is: 213,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,073.55 : 550,810.94 = 142,442.82 : x
  2. Step 2: Convert to fraction form
    367,073.55/550,810.94 = 142,442.82/x
  3. Step 3: Cross multiply
    367,073.55x = 550,810.94 × 142,442.82
  4. Step 4: Simplify right side
    367,073.55x = 78,459,062,868.24
  5. Step 5: Solve for x
    x = 78,459,062,868.24/367,073.55
  6. Step 6: Final answer
    x = 213,742.08

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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.