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Finding the Fourth Proportional to 487,460.16, 730,981.08 and 167,644.20

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Solution

The fourth proportional to 487,460.16, 730,981.08 and 167,644.20 is: 251,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,460.16 : 730,981.08 = 167,644.20 : x
  2. Step 2: Convert to fraction form
    487,460.16/730,981.08 = 167,644.20/x
  3. Step 3: Cross multiply
    487,460.16x = 730,981.08 × 167,644.20
  4. Step 4: Simplify right side
    487,460.16x = 122,544,738,371.74
  5. Step 5: Solve for x
    x = 122,544,738,371.74/487,460.16
  6. Step 6: Final answer
    x = 251,394.37

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1.5x scale

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.