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Finding the Fourth Proportional to 402,367.97, 603,645.37 and 118,047.04

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Solution

The fourth proportional to 402,367.97, 603,645.37 and 118,047.04 is: 177,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,367.97 : 603,645.37 = 118,047.04 : x
  2. Step 2: Convert to fraction form
    402,367.97/603,645.37 = 118,047.04/x
  3. Step 3: Cross multiply
    402,367.97x = 603,645.37 × 118,047.04
  4. Step 4: Simplify right side
    402,367.97x = 71,258,547,333.97
  5. Step 5: Solve for x
    x = 71,258,547,333.97/402,367.97
  6. Step 6: Final answer
    x = 177,097.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.