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Finding the Fourth Proportional to 525,498.52, 725,306.08 and 344,105.09

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Solution

The fourth proportional to 525,498.52, 725,306.08 and 344,105.09 is: 474,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,498.52 : 725,306.08 = 344,105.09 : x
  2. Step 2: Convert to fraction form
    525,498.52/725,306.08 = 344,105.09/x
  3. Step 3: Cross multiply
    525,498.52x = 725,306.08 × 344,105.09
  4. Step 4: Simplify right side
    525,498.52x = 249,581,514,888.95
  5. Step 5: Solve for x
    x = 249,581,514,888.95/525,498.52
  6. Step 6: Final answer
    x = 474,942.38

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1.5x scale

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.