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Finding the Fourth Proportional to 480,132.68, 662,590.05 and 265,277.69

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Solution

The fourth proportional to 480,132.68, 662,590.05 and 265,277.69 is: 366,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,132.68 : 662,590.05 = 265,277.69 : x
  2. Step 2: Convert to fraction form
    480,132.68/662,590.05 = 265,277.69/x
  3. Step 3: Cross multiply
    480,132.68x = 662,590.05 × 265,277.69
  4. Step 4: Simplify right side
    480,132.68x = 175,770,357,880.99
  5. Step 5: Solve for x
    x = 175,770,357,880.99/480,132.68
  6. Step 6: Final answer
    x = 366,087.05

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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.