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Finding the Fourth Proportional to 671,911.52, 927,237.93 and 370,105.52

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Solution

The fourth proportional to 671,911.52, 927,237.93 and 370,105.52 is: 510,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,911.52 : 927,237.93 = 370,105.52 : x
  2. Step 2: Convert to fraction form
    671,911.52/927,237.93 = 370,105.52/x
  3. Step 3: Cross multiply
    671,911.52x = 927,237.93 × 370,105.52
  4. Step 4: Simplify right side
    671,911.52x = 343,175,876,246.37
  5. Step 5: Solve for x
    x = 343,175,876,246.37/671,911.52
  6. Step 6: Final answer
    x = 510,745.64

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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.