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Finding the Fourth Proportional to 318,300.29, 439,258.07 and 175,062.73

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Solution

The fourth proportional to 318,300.29, 439,258.07 and 175,062.73 is: 241,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,300.29 : 439,258.07 = 175,062.73 : x
  2. Step 2: Convert to fraction form
    318,300.29/439,258.07 = 175,062.73/x
  3. Step 3: Cross multiply
    318,300.29x = 439,258.07 × 175,062.73
  4. Step 4: Simplify right side
    318,300.29x = 76,897,716,248.24
  5. Step 5: Solve for x
    x = 76,897,716,248.24/318,300.29
  6. Step 6: Final answer
    x = 241,588.58

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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.