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Finding the Fourth Proportional to 341,574.90, 512,362.35 and 164,039.10

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Solution

The fourth proportional to 341,574.90, 512,362.35 and 164,039.10 is: 246,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,574.90 : 512,362.35 = 164,039.10 : x
  2. Step 2: Convert to fraction form
    341,574.90/512,362.35 = 164,039.10/x
  3. Step 3: Cross multiply
    341,574.90x = 512,362.35 × 164,039.10
  4. Step 4: Simplify right side
    341,574.90x = 84,047,458,767.89
  5. Step 5: Solve for x
    x = 84,047,458,767.89/341,574.90
  6. Step 6: Final answer
    x = 246,058.65

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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.