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Finding the Fourth Proportional to 652,747.23, 979,509.03 and 353,221.77

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Solution

The fourth proportional to 652,747.23, 979,509.03 and 353,221.77 is: 530,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,747.23 : 979,509.03 = 353,221.77 : x
  2. Step 2: Convert to fraction form
    652,747.23/979,509.03 = 353,221.77/x
  3. Step 3: Cross multiply
    652,747.23x = 979,509.03 × 353,221.77
  4. Step 4: Simplify right side
    652,747.23x = 345,983,913,307.58
  5. Step 5: Solve for x
    x = 345,983,913,307.58/652,747.23
  6. Step 6: Final answer
    x = 530,042.71

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1.5x scale

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.