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Finding the Fourth Proportional to 472,691.34, 709,352.10 and 245,196.63

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Solution

The fourth proportional to 472,691.34, 709,352.10 and 245,196.63 is: 367,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,691.34 : 709,352.10 = 245,196.63 : x
  2. Step 2: Convert to fraction form
    472,691.34/709,352.10 = 245,196.63/x
  3. Step 3: Cross multiply
    472,691.34x = 709,352.10 × 245,196.63
  4. Step 4: Simplify right side
    472,691.34x = 173,930,744,403.42
  5. Step 5: Solve for x
    x = 173,930,744,403.42/472,691.34
  6. Step 6: Final answer
    x = 367,958.39

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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.