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Finding the Fourth Proportional to 705,808.35, 974,238.44 and 451,160.55

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Solution

The fourth proportional to 705,808.35, 974,238.44 and 451,160.55 is: 622,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,808.35 : 974,238.44 = 451,160.55 : x
  2. Step 2: Convert to fraction form
    705,808.35/974,238.44 = 451,160.55/x
  3. Step 3: Cross multiply
    705,808.35x = 974,238.44 × 451,160.55
  4. Step 4: Simplify right side
    705,808.35x = 439,537,948,165.74
  5. Step 5: Solve for x
    x = 439,537,948,165.74/705,808.35
  6. Step 6: Final answer
    x = 622,744.05

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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.