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Finding the Fourth Proportional to 583,438.44, 805,154.94 and 328,793.88

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Solution

The fourth proportional to 583,438.44, 805,154.94 and 328,793.88 is: 453,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,438.44 : 805,154.94 = 328,793.88 : x
  2. Step 2: Convert to fraction form
    583,438.44/805,154.94 = 328,793.88/x
  3. Step 3: Cross multiply
    583,438.44x = 805,154.94 × 328,793.88
  4. Step 4: Simplify right side
    583,438.44x = 264,730,016,723.77
  5. Step 5: Solve for x
    x = 264,730,016,723.77/583,438.44
  6. Step 6: Final answer
    x = 453,741.13

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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.