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Finding the Fourth Proportional to 578,479.76, 798,207.14 and 363,467.56

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Solution

The fourth proportional to 578,479.76, 798,207.14 and 363,467.56 is: 501,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,479.76 : 798,207.14 = 363,467.56 : x
  2. Step 2: Convert to fraction form
    578,479.76/798,207.14 = 363,467.56/x
  3. Step 3: Cross multiply
    578,479.76x = 798,207.14 × 363,467.56
  4. Step 4: Simplify right side
    578,479.76x = 290,122,401,550.38
  5. Step 5: Solve for x
    x = 290,122,401,550.38/578,479.76
  6. Step 6: Final answer
    x = 501,525.59

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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.