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Finding the Fourth Proportional to 341,593.81, 512,391.32 and 104,934.89

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Solution

The fourth proportional to 341,593.81, 512,391.32 and 104,934.89 is: 157,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,593.81 : 512,391.32 = 104,934.89 : x
  2. Step 2: Convert to fraction form
    341,593.81/512,391.32 = 104,934.89/x
  3. Step 3: Cross multiply
    341,593.81x = 512,391.32 × 104,934.89
  4. Step 4: Simplify right side
    341,593.81x = 53,767,727,950.96
  5. Step 5: Solve for x
    x = 53,767,727,950.96/341,593.81
  6. Step 6: Final answer
    x = 157,402.53

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1.5x scale

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.