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Finding the Fourth Proportional to 605,203.32, 907,830.03 and 178,739.23

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Solution

The fourth proportional to 605,203.32, 907,830.03 and 178,739.23 is: 268,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,203.32 : 907,830.03 = 178,739.23 : x
  2. Step 2: Convert to fraction form
    605,203.32/907,830.03 = 178,739.23/x
  3. Step 3: Cross multiply
    605,203.32x = 907,830.03 × 178,739.23
  4. Step 4: Simplify right side
    605,203.32x = 162,264,835,993.93
  5. Step 5: Solve for x
    x = 162,264,835,993.93/605,203.32
  6. Step 6: Final answer
    x = 268,116.24

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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.