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Finding the Fourth Proportional to 318,671.31, 478,088.97 and 94,022.67

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Solution

The fourth proportional to 318,671.31, 478,088.97 and 94,022.67 is: 141,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,671.31 : 478,088.97 = 94,022.67 : x
  2. Step 2: Convert to fraction form
    318,671.31/478,088.97 = 94,022.67/x
  3. Step 3: Cross multiply
    318,671.31x = 478,088.97 × 94,022.67
  4. Step 4: Simplify right side
    318,671.31x = 44,951,201,456.95
  5. Step 5: Solve for x
    x = 44,951,201,456.95/318,671.31
  6. Step 6: Final answer
    x = 141,058.20

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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.