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Finding the Fourth Proportional to 480,564.90, 663,132.83 and 265,675.55

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Solution

The fourth proportional to 480,564.90, 663,132.83 and 265,675.55 is: 366,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,564.90 : 663,132.83 = 265,675.55 : x
  2. Step 2: Convert to fraction form
    480,564.90/663,132.83 = 265,675.55/x
  3. Step 3: Cross multiply
    480,564.90x = 663,132.83 × 265,675.55
  4. Step 4: Simplify right side
    480,564.90x = 176,178,174,689.27
  5. Step 5: Solve for x
    x = 176,178,174,689.27/480,564.90
  6. Step 6: Final answer
    x = 366,606.41

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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.