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Finding the Fourth Proportional to 400,058.56, 552,219.84 and 230,360.32

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Solution

The fourth proportional to 400,058.56, 552,219.84 and 230,360.32 is: 317,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,058.56 : 552,219.84 = 230,360.32 : x
  2. Step 2: Convert to fraction form
    400,058.56/552,219.84 = 230,360.32/x
  3. Step 3: Cross multiply
    400,058.56x = 552,219.84 × 230,360.32
  4. Step 4: Simplify right side
    400,058.56x = 127,209,539,052.75
  5. Step 5: Solve for x
    x = 127,209,539,052.75/400,058.56
  6. Step 6: Final answer
    x = 317,977.30

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1.5x scale

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.