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Finding the Fourth Proportional to 480,147.72, 662,585.96 and 265,283.18

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Solution

The fourth proportional to 480,147.72, 662,585.96 and 265,283.18 is: 366,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,147.72 : 662,585.96 = 265,283.18 : x
  2. Step 2: Convert to fraction form
    480,147.72/662,585.96 = 265,283.18/x
  3. Step 3: Cross multiply
    480,147.72x = 662,585.96 × 265,283.18
  4. Step 4: Simplify right side
    480,147.72x = 175,772,910,492.15
  5. Step 5: Solve for x
    x = 175,772,910,492.15/480,147.72
  6. Step 6: Final answer
    x = 366,080.90

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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.