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Finding the Fourth Proportional to 472,348.98, 708,520.86 and 117,362.88

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Solution

The fourth proportional to 472,348.98, 708,520.86 and 117,362.88 is: 176,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,348.98 : 708,520.86 = 117,362.88 : x
  2. Step 2: Convert to fraction form
    472,348.98/708,520.86 = 117,362.88/x
  3. Step 3: Cross multiply
    472,348.98x = 708,520.86 × 117,362.88
  4. Step 4: Simplify right side
    472,348.98x = 83,154,048,669.68
  5. Step 5: Solve for x
    x = 83,154,048,669.68/472,348.98
  6. Step 6: Final answer
    x = 176,043.67

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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.