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Finding the Fourth Proportional to 707,226.48, 975,965.22 and 384,936.12

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Solution

The fourth proportional to 707,226.48, 975,965.22 and 384,936.12 is: 531,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,226.48 : 975,965.22 = 384,936.12 : x
  2. Step 2: Convert to fraction form
    707,226.48/975,965.22 = 384,936.12/x
  3. Step 3: Cross multiply
    707,226.48x = 975,965.22 × 384,936.12
  4. Step 4: Simplify right side
    707,226.48x = 375,684,265,041.75
  5. Step 5: Solve for x
    x = 375,684,265,041.75/707,226.48
  6. Step 6: Final answer
    x = 531,207.86

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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.