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Finding the Fourth Proportional to 576,248.41, 795,235.59 and 318,124.78

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Solution

The fourth proportional to 576,248.41, 795,235.59 and 318,124.78 is: 439,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,248.41 : 795,235.59 = 318,124.78 : x
  2. Step 2: Convert to fraction form
    576,248.41/795,235.59 = 318,124.78/x
  3. Step 3: Cross multiply
    576,248.41x = 795,235.59 × 318,124.78
  4. Step 4: Simplify right side
    576,248.41x = 252,984,147,116.92
  5. Step 5: Solve for x
    x = 252,984,147,116.92/576,248.41
  6. Step 6: Final answer
    x = 439,019.25

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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.