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Finding the Fourth Proportional to 379,061.64, 522,885.78 and 244,925.64

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Solution

The fourth proportional to 379,061.64, 522,885.78 and 244,925.64 is: 337,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,061.64 : 522,885.78 = 244,925.64 : x
  2. Step 2: Convert to fraction form
    379,061.64/522,885.78 = 244,925.64/x
  3. Step 3: Cross multiply
    379,061.64x = 522,885.78 × 244,925.64
  4. Step 4: Simplify right side
    379,061.64x = 128,068,134,313.40
  5. Step 5: Solve for x
    x = 128,068,134,313.40/379,061.64
  6. Step 6: Final answer
    x = 337,855.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.