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Finding the Fourth Proportional to 411,310.77, 567,637.79 and 230,039.57

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Solution

The fourth proportional to 411,310.77, 567,637.79 and 230,039.57 is: 317,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,310.77 : 567,637.79 = 230,039.57 : x
  2. Step 2: Convert to fraction form
    411,310.77/567,637.79 = 230,039.57/x
  3. Step 3: Cross multiply
    411,310.77x = 567,637.79 × 230,039.57
  4. Step 4: Simplify right side
    411,310.77x = 130,579,153,127.35
  5. Step 5: Solve for x
    x = 130,579,153,127.35/411,310.77
  6. Step 6: Final answer
    x = 317,470.79

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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.