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Finding the Fourth Proportional to 480,125.54, 662,564.61 and 265,280.13

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Solution

The fourth proportional to 480,125.54, 662,564.61 and 265,280.13 is: 366,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,125.54 : 662,564.61 = 265,280.13 : x
  2. Step 2: Convert to fraction form
    480,125.54/662,564.61 = 265,280.13/x
  3. Step 3: Cross multiply
    480,125.54x = 662,564.61 × 265,280.13
  4. Step 4: Simplify right side
    480,125.54x = 175,765,225,874.20
  5. Step 5: Solve for x
    x = 175,765,225,874.20/480,125.54
  6. Step 6: Final answer
    x = 366,081.81

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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.