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Finding the Fourth Proportional to 373,586.18, 560,648.59 and 148,816.64

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Solution

The fourth proportional to 373,586.18, 560,648.59 and 148,816.64 is: 223,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,586.18 : 560,648.59 = 148,816.64 : x
  2. Step 2: Convert to fraction form
    373,586.18/560,648.59 = 148,816.64/x
  3. Step 3: Cross multiply
    373,586.18x = 560,648.59 × 148,816.64
  4. Step 4: Simplify right side
    373,586.18x = 83,433,840,414.12
  5. Step 5: Solve for x
    x = 83,433,840,414.12/373,586.18
  6. Step 6: Final answer
    x = 223,332.25

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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.