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Finding the Fourth Proportional to 373,348.80, 559,972.80 and 148,874.40

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Solution

The fourth proportional to 373,348.80, 559,972.80 and 148,874.40 is: 223,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,348.80 : 559,972.80 = 148,874.40 : x
  2. Step 2: Convert to fraction form
    373,348.80/559,972.80 = 148,874.40/x
  3. Step 3: Cross multiply
    373,348.80x = 559,972.80 × 148,874.40
  4. Step 4: Simplify right side
    373,348.80x = 83,365,614,616.32
  5. Step 5: Solve for x
    x = 83,365,614,616.32/373,348.80
  6. Step 6: Final answer
    x = 223,291.50

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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.