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Finding the Fourth Proportional to 662,479.89, 914,222.39 and 360,673.89

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Solution

The fourth proportional to 662,479.89, 914,222.39 and 360,673.89 is: 497,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,479.89 : 914,222.39 = 360,673.89 : x
  2. Step 2: Convert to fraction form
    662,479.89/914,222.39 = 360,673.89/x
  3. Step 3: Cross multiply
    662,479.89x = 914,222.39 × 360,673.89
  4. Step 4: Simplify right side
    662,479.89x = 329,736,145,726.40
  5. Step 5: Solve for x
    x = 329,736,145,726.40/662,479.89
  6. Step 6: Final answer
    x = 497,730.05

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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.