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Finding the Fourth Proportional to 707,249.46, 976,025.31 and 435,474.18

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Solution

The fourth proportional to 707,249.46, 976,025.31 and 435,474.18 is: 600,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,249.46 : 976,025.31 = 435,474.18 : x
  2. Step 2: Convert to fraction form
    707,249.46/976,025.31 = 435,474.18/x
  3. Step 3: Cross multiply
    707,249.46x = 976,025.31 × 435,474.18
  4. Step 4: Simplify right side
    707,249.46x = 425,033,821,531.50
  5. Step 5: Solve for x
    x = 425,033,821,531.50/707,249.46
  6. Step 6: Final answer
    x = 600,967.33

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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.