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Finding the Fourth Proportional to 368,020.71, 508,254.08 and 253,596.87

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Solution

The fourth proportional to 368,020.71, 508,254.08 and 253,596.87 is: 350,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,020.71 : 508,254.08 = 253,596.87 : x
  2. Step 2: Convert to fraction form
    368,020.71/508,254.08 = 253,596.87/x
  3. Step 3: Cross multiply
    368,020.71x = 508,254.08 × 253,596.87
  4. Step 4: Simplify right side
    368,020.71x = 128,891,642,584.75
  5. Step 5: Solve for x
    x = 128,891,642,584.75/368,020.71
  6. Step 6: Final answer
    x = 350,229.32

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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.