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Finding the Fourth Proportional to 480,666.92, 663,324.66 and 265,821.50

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Solution

The fourth proportional to 480,666.92, 663,324.66 and 265,821.50 is: 366,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,666.92 : 663,324.66 = 265,821.50 : x
  2. Step 2: Convert to fraction form
    480,666.92/663,324.66 = 265,821.50/x
  3. Step 3: Cross multiply
    480,666.92x = 663,324.66 × 265,821.50
  4. Step 4: Simplify right side
    480,666.92x = 176,325,956,108.19
  5. Step 5: Solve for x
    x = 176,325,956,108.19/480,666.92
  6. Step 6: Final answer
    x = 366,836.05

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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.