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Finding the Fourth Proportional to 517,863.32, 776,795.03 and 158,036.06

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Solution

The fourth proportional to 517,863.32, 776,795.03 and 158,036.06 is: 237,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,863.32 : 776,795.03 = 158,036.06 : x
  2. Step 2: Convert to fraction form
    517,863.32/776,795.03 = 158,036.06/x
  3. Step 3: Cross multiply
    517,863.32x = 776,795.03 × 158,036.06
  4. Step 4: Simplify right side
    517,863.32x = 122,761,622,479.90
  5. Step 5: Solve for x
    x = 122,761,622,479.90/517,863.32
  6. Step 6: Final answer
    x = 237,054.10

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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.