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Finding the Fourth Proportional to 374,805.04, 517,230.92 and 205,040.40

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Solution

The fourth proportional to 374,805.04, 517,230.92 and 205,040.40 is: 282,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,805.04 : 517,230.92 = 205,040.40 : x
  2. Step 2: Convert to fraction form
    374,805.04/517,230.92 = 205,040.40/x
  3. Step 3: Cross multiply
    374,805.04x = 517,230.92 × 205,040.40
  4. Step 4: Simplify right side
    374,805.04x = 106,053,234,729.17
  5. Step 5: Solve for x
    x = 106,053,234,729.17/374,805.04
  6. Step 6: Final answer
    x = 282,955.73

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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.