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Finding the Fourth Proportional to 556,550.20, 768,039.53 and 314,827.62

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Solution

The fourth proportional to 556,550.20, 768,039.53 and 314,827.62 is: 434,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,550.20 : 768,039.53 = 314,827.62 : x
  2. Step 2: Convert to fraction form
    556,550.20/768,039.53 = 314,827.62/x
  3. Step 3: Cross multiply
    556,550.20x = 768,039.53 × 314,827.62
  4. Step 4: Simplify right side
    556,550.20x = 241,800,055,721.68
  5. Step 5: Solve for x
    x = 241,800,055,721.68/556,550.20
  6. Step 6: Final answer
    x = 434,462.26

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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.