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Finding the Fourth Proportional to 256,122.52, 385,025.16 and 237,626.08

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Solution

The fourth proportional to 256,122.52, 385,025.16 and 237,626.08 is: 357,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,122.52 : 385,025.16 = 237,626.08 : x
  2. Step 2: Convert to fraction form
    256,122.52/385,025.16 = 237,626.08/x
  3. Step 3: Cross multiply
    256,122.52x = 385,025.16 × 237,626.08
  4. Step 4: Simplify right side
    256,122.52x = 91,492,019,472.17
  5. Step 5: Solve for x
    x = 91,492,019,472.17/256,122.52
  6. Step 6: Final answer
    x = 357,219.74

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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.