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Finding the Fourth Proportional to 480,490.18, 663,018.87 and 265,601.06

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Solution

The fourth proportional to 480,490.18, 663,018.87 and 265,601.06 is: 366,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,490.18 : 663,018.87 = 265,601.06 : x
  2. Step 2: Convert to fraction form
    480,490.18/663,018.87 = 265,601.06/x
  3. Step 3: Cross multiply
    480,490.18x = 663,018.87 × 265,601.06
  4. Step 4: Simplify right side
    480,490.18x = 176,098,514,672.00
  5. Step 5: Solve for x
    x = 176,098,514,672.00/480,490.18
  6. Step 6: Final answer
    x = 366,497.64

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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.