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Finding the Fourth Proportional to 517,804.47, 776,832.03 and 176,244.45

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Solution

The fourth proportional to 517,804.47, 776,832.03 and 176,244.45 is: 264,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,804.47 : 776,832.03 = 176,244.45 : x
  2. Step 2: Convert to fraction form
    517,804.47/776,832.03 = 176,244.45/x
  3. Step 3: Cross multiply
    517,804.47x = 776,832.03 × 176,244.45
  4. Step 4: Simplify right side
    517,804.47x = 136,912,333,869.73
  5. Step 5: Solve for x
    x = 136,912,333,869.73/517,804.47
  6. Step 6: Final answer
    x = 264,409.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.