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Finding the Fourth Proportional to 368,028.96, 508,265.51 and 253,605.12

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Solution

The fourth proportional to 368,028.96, 508,265.51 and 253,605.12 is: 350,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,028.96 : 508,265.51 = 253,605.12 : x
  2. Step 2: Convert to fraction form
    368,028.96/508,265.51 = 253,605.12/x
  3. Step 3: Cross multiply
    368,028.96x = 508,265.51 × 253,605.12
  4. Step 4: Simplify right side
    368,028.96x = 128,898,734,387.39
  5. Step 5: Solve for x
    x = 128,898,734,387.39/368,028.96
  6. Step 6: Final answer
    x = 350,240.74

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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.