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Finding the Fourth Proportional to 561,904.89, 774,766.18 and 454,141.68

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Solution

The fourth proportional to 561,904.89, 774,766.18 and 454,141.68 is: 626,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,904.89 : 774,766.18 = 454,141.68 : x
  2. Step 2: Convert to fraction form
    561,904.89/774,766.18 = 454,141.68/x
  3. Step 3: Cross multiply
    561,904.89x = 774,766.18 × 454,141.68
  4. Step 4: Simplify right side
    561,904.89x = 351,853,614,592.38
  5. Step 5: Solve for x
    x = 351,853,614,592.38/561,904.89
  6. Step 6: Final answer
    x = 626,180.02

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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.