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Finding the Fourth Proportional to 480,888, 663,644.98 and 266,024.36

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Solution

The fourth proportional to 480,888, 663,644.98 and 266,024.36 is: 367,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,888 : 663,644.98 = 266,024.36 : x
  2. Step 2: Convert to fraction form
    480,888/663,644.98 = 266,024.36/x
  3. Step 3: Cross multiply
    480,888x = 663,644.98 × 266,024.36
  4. Step 4: Simplify right side
    480,888x = 176,545,731,071.71
  5. Step 5: Solve for x
    x = 176,545,731,071.71/480,888
  6. Step 6: Final answer
    x = 367,124.43

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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.