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Finding the Fourth Proportional to 253,340.39, 349,471.48 and 162,710.15

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Solution

The fourth proportional to 253,340.39, 349,471.48 and 162,710.15 is: 224,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,340.39 : 349,471.48 = 162,710.15 : x
  2. Step 2: Convert to fraction form
    253,340.39/349,471.48 = 162,710.15/x
  3. Step 3: Cross multiply
    253,340.39x = 349,471.48 × 162,710.15
  4. Step 4: Simplify right side
    253,340.39x = 56,862,556,931.52
  5. Step 5: Solve for x
    x = 56,862,556,931.52/253,340.39
  6. Step 6: Final answer
    x = 224,451.21

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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.