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Finding the Fourth Proportional to 473,064.30, 709,596.45 and 331,346.70

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Solution

The fourth proportional to 473,064.30, 709,596.45 and 331,346.70 is: 497,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,064.30 : 709,596.45 = 331,346.70 : x
  2. Step 2: Convert to fraction form
    473,064.30/709,596.45 = 331,346.70/x
  3. Step 3: Cross multiply
    473,064.30x = 709,596.45 × 331,346.70
  4. Step 4: Simplify right side
    473,064.30x = 235,122,442,039.22
  5. Step 5: Solve for x
    x = 235,122,442,039.22/473,064.30
  6. Step 6: Final answer
    x = 497,020.05

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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.