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Finding the Fourth Proportional to 480,115.47, 662,566.31 and 265,260.48

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Solution

The fourth proportional to 480,115.47, 662,566.31 and 265,260.48 is: 366,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,115.47 : 662,566.31 = 265,260.48 : x
  2. Step 2: Convert to fraction form
    480,115.47/662,566.31 = 265,260.48/x
  3. Step 3: Cross multiply
    480,115.47x = 662,566.31 × 265,260.48
  4. Step 4: Simplify right side
    480,115.47x = 175,752,656,096.13
  5. Step 5: Solve for x
    x = 175,752,656,096.13/480,115.47
  6. Step 6: Final answer
    x = 366,063.31

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1.5x scale

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.