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Finding the Fourth Proportional to 615,549.80, 923,454.30 and 194,868.20

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Solution

The fourth proportional to 615,549.80, 923,454.30 and 194,868.20 is: 292,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,549.80 : 923,454.30 = 194,868.20 : x
  2. Step 2: Convert to fraction form
    615,549.80/923,454.30 = 194,868.20/x
  3. Step 3: Cross multiply
    615,549.80x = 923,454.30 × 194,868.20
  4. Step 4: Simplify right side
    615,549.80x = 179,951,877,223.26
  5. Step 5: Solve for x
    x = 179,951,877,223.26/615,549.80
  6. Step 6: Final answer
    x = 292,343.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.