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Finding the Fourth Proportional to 480,442.58, 662,979.17 and 276,460.58

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Solution

The fourth proportional to 480,442.58, 662,979.17 and 276,460.58 is: 381,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,442.58 : 662,979.17 = 276,460.58 : x
  2. Step 2: Convert to fraction form
    480,442.58/662,979.17 = 276,460.58/x
  3. Step 3: Cross multiply
    480,442.58x = 662,979.17 × 276,460.58
  4. Step 4: Simplify right side
    480,442.58x = 183,287,602,541.60
  5. Step 5: Solve for x
    x = 183,287,602,541.60/480,442.58
  6. Step 6: Final answer
    x = 381,497.42

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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.