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Finding the Fourth Proportional to 576,339.84, 795,360.96 and 321,701.76

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Solution

The fourth proportional to 576,339.84, 795,360.96 and 321,701.76 is: 443,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,339.84 : 795,360.96 = 321,701.76 : x
  2. Step 2: Convert to fraction form
    576,339.84/795,360.96 = 321,701.76/x
  3. Step 3: Cross multiply
    576,339.84x = 795,360.96 × 321,701.76
  4. Step 4: Simplify right side
    576,339.84x = 255,869,020,667.29
  5. Step 5: Solve for x
    x = 255,869,020,667.29/576,339.84
  6. Step 6: Final answer
    x = 443,955.12

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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.