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Finding the Fourth Proportional to 480,539.76, 663,112.35 and 265,650.81

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Solution

The fourth proportional to 480,539.76, 663,112.35 and 265,650.81 is: 366,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,539.76 : 663,112.35 = 265,650.81 : x
  2. Step 2: Convert to fraction form
    480,539.76/663,112.35 = 265,650.81/x
  3. Step 3: Cross multiply
    480,539.76x = 663,112.35 × 265,650.81
  4. Step 4: Simplify right side
    480,539.76x = 176,156,332,898.50
  5. Step 5: Solve for x
    x = 176,156,332,898.50/480,539.76
  6. Step 6: Final answer
    x = 366,580.14

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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.