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Finding the Fourth Proportional to 373,931.51, 560,898.18 and 149,310.23

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Solution

The fourth proportional to 373,931.51, 560,898.18 and 149,310.23 is: 223,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,931.51 : 560,898.18 = 149,310.23 : x
  2. Step 2: Convert to fraction form
    373,931.51/560,898.18 = 149,310.23/x
  3. Step 3: Cross multiply
    373,931.51x = 560,898.18 × 149,310.23
  4. Step 4: Simplify right side
    373,931.51x = 83,747,833,457.89
  5. Step 5: Solve for x
    x = 83,747,833,457.89/373,931.51
  6. Step 6: Final answer
    x = 223,965.71

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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.