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Finding the Fourth Proportional to 480,368.70, 662,943.14 and 265,504.12

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Solution

The fourth proportional to 480,368.70, 662,943.14 and 265,504.12 is: 366,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,368.70 : 662,943.14 = 265,504.12 : x
  2. Step 2: Convert to fraction form
    480,368.70/662,943.14 = 265,504.12/x
  3. Step 3: Cross multiply
    480,368.70x = 662,943.14 × 265,504.12
  4. Step 4: Simplify right side
    480,368.70x = 176,014,134,995.74
  5. Step 5: Solve for x
    x = 176,014,134,995.74/480,368.70
  6. Step 6: Final answer
    x = 366,414.66

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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.