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Finding the Fourth Proportional to 541,824.40, 813,125.40 and 304,915.60

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Solution

The fourth proportional to 541,824.40, 813,125.40 and 304,915.60 is: 457,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,824.40 : 813,125.40 = 304,915.60 : x
  2. Step 2: Convert to fraction form
    541,824.40/813,125.40 = 304,915.60/x
  3. Step 3: Cross multiply
    541,824.40x = 813,125.40 × 304,915.60
  4. Step 4: Simplify right side
    541,824.40x = 247,934,619,216.24
  5. Step 5: Solve for x
    x = 247,934,619,216.24/541,824.40
  6. Step 6: Final answer
    x = 457,592.20

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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.