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Finding the Fourth Proportional to 341,513.28, 471,320.76 and 243,341.28

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Solution

The fourth proportional to 341,513.28, 471,320.76 and 243,341.28 is: 335,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,513.28 : 471,320.76 = 243,341.28 : x
  2. Step 2: Convert to fraction form
    341,513.28/471,320.76 = 243,341.28/x
  3. Step 3: Cross multiply
    341,513.28x = 471,320.76 × 243,341.28
  4. Step 4: Simplify right side
    341,513.28x = 114,691,797,028.97
  5. Step 5: Solve for x
    x = 114,691,797,028.97/341,513.28
  6. Step 6: Final answer
    x = 335,834.08

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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.