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Finding the Fourth Proportional to 253,487.10, 349,850.61 and 144,590.90

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Solution

The fourth proportional to 253,487.10, 349,850.61 and 144,590.90 is: 199,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,487.10 : 349,850.61 = 144,590.90 : x
  2. Step 2: Convert to fraction form
    253,487.10/349,850.61 = 144,590.90/x
  3. Step 3: Cross multiply
    253,487.10x = 349,850.61 × 144,590.90
  4. Step 4: Simplify right side
    253,487.10x = 50,585,214,565.45
  5. Step 5: Solve for x
    x = 50,585,214,565.45/253,487.10
  6. Step 6: Final answer
    x = 199,557.35

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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.