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Finding the Fourth Proportional to 658,616.24, 908,884.70 and 356,809.52

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Solution

The fourth proportional to 658,616.24, 908,884.70 and 356,809.52 is: 492,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,616.24 : 908,884.70 = 356,809.52 : x
  2. Step 2: Convert to fraction form
    658,616.24/908,884.70 = 356,809.52/x
  3. Step 3: Cross multiply
    658,616.24x = 908,884.70 × 356,809.52
  4. Step 4: Simplify right side
    658,616.24x = 324,298,713,542.34
  5. Step 5: Solve for x
    x = 324,298,713,542.34/658,616.24
  6. Step 6: Final answer
    x = 492,394.04

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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.