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Finding the Fourth Proportional to 671,910.52, 927,236.55 and 370,104.52

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Solution

The fourth proportional to 671,910.52, 927,236.55 and 370,104.52 is: 510,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,910.52 : 927,236.55 = 370,104.52 : x
  2. Step 2: Convert to fraction form
    671,910.52/927,236.55 = 370,104.52/x
  3. Step 3: Cross multiply
    671,910.52x = 927,236.55 × 370,104.52
  4. Step 4: Simplify right side
    671,910.52x = 343,174,438,264.21
  5. Step 5: Solve for x
    x = 343,174,438,264.21/671,910.52
  6. Step 6: Final answer
    x = 510,744.26

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Double scale
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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.