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Finding the Fourth Proportional to 334,012.32, 500,493.24 and 258,295.68

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Solution

The fourth proportional to 334,012.32, 500,493.24 and 258,295.68 is: 387,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,012.32 : 500,493.24 = 258,295.68 : x
  2. Step 2: Convert to fraction form
    334,012.32/500,493.24 = 258,295.68/x
  3. Step 3: Cross multiply
    334,012.32x = 500,493.24 × 258,295.68
  4. Step 4: Simplify right side
    334,012.32x = 129,275,241,761.20
  5. Step 5: Solve for x
    x = 129,275,241,761.20/334,012.32
  6. Step 6: Final answer
    x = 387,037.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.