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Finding the Fourth Proportional to 361,904.40, 542,856.60 and 268,592.40

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Solution

The fourth proportional to 361,904.40, 542,856.60 and 268,592.40 is: 402,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,904.40 : 542,856.60 = 268,592.40 : x
  2. Step 2: Convert to fraction form
    361,904.40/542,856.60 = 268,592.40/x
  3. Step 3: Cross multiply
    361,904.40x = 542,856.60 × 268,592.40
  4. Step 4: Simplify right side
    361,904.40x = 145,807,157,049.84
  5. Step 5: Solve for x
    x = 145,807,157,049.84/361,904.40
  6. Step 6: Final answer
    x = 402,888.60

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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.