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Finding the Fourth Proportional to 476,608.16, 715,015.12 and 161,058.08

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Solution

The fourth proportional to 476,608.16, 715,015.12 and 161,058.08 is: 241,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,608.16 : 715,015.12 = 161,058.08 : x
  2. Step 2: Convert to fraction form
    476,608.16/715,015.12 = 161,058.08/x
  3. Step 3: Cross multiply
    476,608.16x = 715,015.12 × 161,058.08
  4. Step 4: Simplify right side
    476,608.16x = 115,158,962,398.17
  5. Step 5: Solve for x
    x = 115,158,962,398.17/476,608.16
  6. Step 6: Final answer
    x = 241,621.89

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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.