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Finding the Fourth Proportional to 373,904.40, 560,856.60 and 152,288.40

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Solution

The fourth proportional to 373,904.40, 560,856.60 and 152,288.40 is: 228,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,904.40 : 560,856.60 = 152,288.40 : x
  2. Step 2: Convert to fraction form
    373,904.40/560,856.60 = 152,288.40/x
  3. Step 3: Cross multiply
    373,904.40x = 560,856.60 × 152,288.40
  4. Step 4: Simplify right side
    373,904.40x = 85,411,954,243.44
  5. Step 5: Solve for x
    x = 85,411,954,243.44/373,904.40
  6. Step 6: Final answer
    x = 228,432.60

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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.