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Finding the Fourth Proportional to 253,347.55, 349,570.99 and 144,449.83

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Solution

The fourth proportional to 253,347.55, 349,570.99 and 144,449.83 is: 199,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,347.55 : 349,570.99 = 144,449.83 : x
  2. Step 2: Convert to fraction form
    253,347.55/349,570.99 = 144,449.83/x
  3. Step 3: Cross multiply
    253,347.55x = 349,570.99 × 144,449.83
  4. Step 4: Simplify right side
    253,347.55x = 50,495,470,695.96
  5. Step 5: Solve for x
    x = 50,495,470,695.96/253,347.55
  6. Step 6: Final answer
    x = 199,313.04

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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.