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Finding the Fourth Proportional to 315,932, 473,972.88 and 94,321.76

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Solution

The fourth proportional to 315,932, 473,972.88 and 94,321.76 is: 141,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,932 : 473,972.88 = 94,321.76 : x
  2. Step 2: Convert to fraction form
    315,932/473,972.88 = 94,321.76/x
  3. Step 3: Cross multiply
    315,932x = 473,972.88 × 94,321.76
  4. Step 4: Simplify right side
    315,932x = 44,705,956,233.87
  5. Step 5: Solve for x
    x = 44,705,956,233.87/315,932
  6. Step 6: Final answer
    x = 141,505.00

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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.