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Finding the Fourth Proportional to 583,479.14, 805,209.86 and 325,348.47

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Solution

The fourth proportional to 583,479.14, 805,209.86 and 325,348.47 is: 448,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,479.14 : 805,209.86 = 325,348.47 : x
  2. Step 2: Convert to fraction form
    583,479.14/805,209.86 = 325,348.47/x
  3. Step 3: Cross multiply
    583,479.14x = 805,209.86 × 325,348.47
  4. Step 4: Simplify right side
    583,479.14x = 261,973,796,793.29
  5. Step 5: Solve for x
    x = 261,973,796,793.29/583,479.14
  6. Step 6: Final answer
    x = 448,985.72

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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.