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Finding the Fourth Proportional to 360,937.08, 496,951.86 and 317,886.12

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Solution

The fourth proportional to 360,937.08, 496,951.86 and 317,886.12 is: 437,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,937.08 : 496,951.86 = 317,886.12 : x
  2. Step 2: Convert to fraction form
    360,937.08/496,951.86 = 317,886.12/x
  3. Step 3: Cross multiply
    360,937.08x = 496,951.86 × 317,886.12
  4. Step 4: Simplify right side
    360,937.08x = 157,974,098,602.18
  5. Step 5: Solve for x
    x = 157,974,098,602.18/360,937.08
  6. Step 6: Final answer
    x = 437,677.67

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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.