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Finding the Fourth Proportional to 708,523, 1,062,780.54 and 176,043.79

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Solution

The fourth proportional to 708,523, 1,062,780.54 and 176,043.79 is: 264,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,523 : 1,062,780.54 = 176,043.79 : x
  2. Step 2: Convert to fraction form
    708,523/1,062,780.54 = 176,043.79/x
  3. Step 3: Cross multiply
    708,523x = 1,062,780.54 × 176,043.79
  4. Step 4: Simplify right side
    708,523x = 187,095,914,199.85
  5. Step 5: Solve for x
    x = 187,095,914,199.85/708,523
  6. Step 6: Final answer
    x = 264,064.70

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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.