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Finding the Fourth Proportional to 654,540.48, 903,271.24 and 368,058.06

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Solution

The fourth proportional to 654,540.48, 903,271.24 and 368,058.06 is: 507,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,540.48 : 903,271.24 = 368,058.06 : x
  2. Step 2: Convert to fraction form
    654,540.48/903,271.24 = 368,058.06/x
  3. Step 3: Cross multiply
    654,540.48x = 903,271.24 × 368,058.06
  4. Step 4: Simplify right side
    654,540.48x = 332,456,260,248.19
  5. Step 5: Solve for x
    x = 332,456,260,248.19/654,540.48
  6. Step 6: Final answer
    x = 507,923.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.