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Finding the Fourth Proportional to 256,227.42, 383,818.98 and 154,963.86

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Solution

The fourth proportional to 256,227.42, 383,818.98 and 154,963.86 is: 232,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,227.42 : 383,818.98 = 154,963.86 : x
  2. Step 2: Convert to fraction form
    256,227.42/383,818.98 = 154,963.86/x
  3. Step 3: Cross multiply
    256,227.42x = 383,818.98 × 154,963.86
  4. Step 4: Simplify right side
    256,227.42x = 59,478,070,682.06
  5. Step 5: Solve for x
    x = 59,478,070,682.06/256,227.42
  6. Step 6: Final answer
    x = 232,130.00

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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.