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Finding the Fourth Proportional to 480,533.32, 663,078.66 and 265,644.52

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Solution

The fourth proportional to 480,533.32, 663,078.66 and 265,644.52 is: 366,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,533.32 : 663,078.66 = 265,644.52 : x
  2. Step 2: Convert to fraction form
    480,533.32/663,078.66 = 265,644.52/x
  3. Step 3: Cross multiply
    480,533.32x = 663,078.66 × 265,644.52
  4. Step 4: Simplify right side
    480,533.32x = 176,143,212,357.94
  5. Step 5: Solve for x
    x = 176,143,212,357.94/480,533.32
  6. Step 6: Final answer
    x = 366,557.75

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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.