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Finding the Fourth Proportional to 480,656.75, 663,295.38 and 265,798.58

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Solution

The fourth proportional to 480,656.75, 663,295.38 and 265,798.58 is: 366,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,656.75 : 663,295.38 = 265,798.58 : x
  2. Step 2: Convert to fraction form
    480,656.75/663,295.38 = 265,798.58/x
  3. Step 3: Cross multiply
    480,656.75x = 663,295.38 × 265,798.58
  4. Step 4: Simplify right side
    480,656.75x = 176,302,970,124.56
  5. Step 5: Solve for x
    x = 176,302,970,124.56/480,656.75
  6. Step 6: Final answer
    x = 366,795.99

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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.