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Finding the Fourth Proportional to 608,931.76, 913,401.42 and 159,648.58

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Solution

The fourth proportional to 608,931.76, 913,401.42 and 159,648.58 is: 239,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,931.76 : 913,401.42 = 159,648.58 : x
  2. Step 2: Convert to fraction form
    608,931.76/913,401.42 = 159,648.58/x
  3. Step 3: Cross multiply
    608,931.76x = 913,401.42 × 159,648.58
  4. Step 4: Simplify right side
    608,931.76x = 145,823,239,672.98
  5. Step 5: Solve for x
    x = 145,823,239,672.98/608,931.76
  6. Step 6: Final answer
    x = 239,473.86

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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.