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Finding the Fourth Proportional to 480,089.94, 662,519.10 and 265,215.96

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Solution

The fourth proportional to 480,089.94, 662,519.10 and 265,215.96 is: 365,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,089.94 : 662,519.10 = 265,215.96 : x
  2. Step 2: Convert to fraction form
    480,089.94/662,519.10 = 265,215.96/x
  3. Step 3: Cross multiply
    480,089.94x = 662,519.10 × 265,215.96
  4. Step 4: Simplify right side
    480,089.94x = 175,710,639,124.84
  5. Step 5: Solve for x
    x = 175,710,639,124.84/480,089.94
  6. Step 6: Final answer
    x = 365,995.25

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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.