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Finding the Fourth Proportional to 671,920.77, 927,250.74 and 370,114.77

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Solution

The fourth proportional to 671,920.77, 927,250.74 and 370,114.77 is: 510,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,920.77 : 927,250.74 = 370,114.77 : x
  2. Step 2: Convert to fraction form
    671,920.77/927,250.74 = 370,114.77/x
  3. Step 3: Cross multiply
    671,920.77x = 927,250.74 × 370,114.77
  4. Step 4: Simplify right side
    671,920.77x = 343,189,194,367.43
  5. Step 5: Solve for x
    x = 343,189,194,367.43/671,920.77
  6. Step 6: Final answer
    x = 510,758.43

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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.