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Finding the Fourth Proportional to 634,364.33, 875,342.12 and 362,449.83

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Solution

The fourth proportional to 634,364.33, 875,342.12 and 362,449.83 is: 500,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,364.33 : 875,342.12 = 362,449.83 : x
  2. Step 2: Convert to fraction form
    634,364.33/875,342.12 = 362,449.83/x
  3. Step 3: Cross multiply
    634,364.33x = 875,342.12 × 362,449.83
  4. Step 4: Simplify right side
    634,364.33x = 317,267,600,773.59
  5. Step 5: Solve for x
    x = 317,267,600,773.59/634,364.33
  6. Step 6: Final answer
    x = 500,134.68

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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.