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Finding the Fourth Proportional to 265,443.20, 366,386.88 and 174,865.28

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Solution

The fourth proportional to 265,443.20, 366,386.88 and 174,865.28 is: 241,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,443.20 : 366,386.88 = 174,865.28 : x
  2. Step 2: Convert to fraction form
    265,443.20/366,386.88 = 174,865.28/x
  3. Step 3: Cross multiply
    265,443.20x = 366,386.88 × 174,865.28
  4. Step 4: Simplify right side
    265,443.20x = 64,068,344,359.53
  5. Step 5: Solve for x
    x = 64,068,344,359.53/265,443.20
  6. Step 6: Final answer
    x = 241,363.67

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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.