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Finding the Fourth Proportional to 707,108.52, 975,780.60 and 384,819.24

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Solution

The fourth proportional to 707,108.52, 975,780.60 and 384,819.24 is: 531,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,108.52 : 975,780.60 = 384,819.24 : x
  2. Step 2: Convert to fraction form
    707,108.52/975,780.60 = 384,819.24/x
  3. Step 3: Cross multiply
    707,108.52x = 975,780.60 × 384,819.24
  4. Step 4: Simplify right side
    707,108.52x = 375,499,148,898.74
  5. Step 5: Solve for x
    x = 375,499,148,898.74/707,108.52
  6. Step 6: Final answer
    x = 531,034.68

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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.