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Finding the Fourth Proportional to 427,717.60, 590,397.76 and 246,501.88

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Solution

The fourth proportional to 427,717.60, 590,397.76 and 246,501.88 is: 340,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,717.60 : 590,397.76 = 246,501.88 : x
  2. Step 2: Convert to fraction form
    427,717.60/590,397.76 = 246,501.88/x
  3. Step 3: Cross multiply
    427,717.60x = 590,397.76 × 246,501.88
  4. Step 4: Simplify right side
    427,717.60x = 145,534,157,787.79
  5. Step 5: Solve for x
    x = 145,534,157,787.79/427,717.60
  6. Step 6: Final answer
    x = 340,257.59

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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.