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Finding the Fourth Proportional to 347,196.56, 520,258.88 and 234,434.88

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Solution

The fourth proportional to 347,196.56, 520,258.88 and 234,434.88 is: 351,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,196.56 : 520,258.88 = 234,434.88 : x
  2. Step 2: Convert to fraction form
    347,196.56/520,258.88 = 234,434.88/x
  3. Step 3: Cross multiply
    347,196.56x = 520,258.88 × 234,434.88
  4. Step 4: Simplify right side
    347,196.56x = 121,966,828,101.73
  5. Step 5: Solve for x
    x = 121,966,828,101.73/347,196.56
  6. Step 6: Final answer
    x = 351,290.43

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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.