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Finding the Fourth Proportional to 463,894.80, 695,842.20 and 306,301.20

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Solution

The fourth proportional to 463,894.80, 695,842.20 and 306,301.20 is: 459,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,894.80 : 695,842.20 = 306,301.20 : x
  2. Step 2: Convert to fraction form
    463,894.80/695,842.20 = 306,301.20/x
  3. Step 3: Cross multiply
    463,894.80x = 695,842.20 × 306,301.20
  4. Step 4: Simplify right side
    463,894.80x = 213,137,300,870.64
  5. Step 5: Solve for x
    x = 213,137,300,870.64/463,894.80
  6. Step 6: Final answer
    x = 459,451.80

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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.