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Finding the Fourth Proportional to 407,114.52, 561,818.52 and 237,381.45

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Solution

The fourth proportional to 407,114.52, 561,818.52 and 237,381.45 is: 327,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,114.52 : 561,818.52 = 237,381.45 : x
  2. Step 2: Convert to fraction form
    407,114.52/561,818.52 = 237,381.45/x
  3. Step 3: Cross multiply
    407,114.52x = 561,818.52 × 237,381.45
  4. Step 4: Simplify right side
    407,114.52x = 133,365,294,914.45
  5. Step 5: Solve for x
    x = 133,365,294,914.45/407,114.52
  6. Step 6: Final answer
    x = 327,586.68

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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.