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Finding the Fourth Proportional to 290,102.04, 400,334.47 and 161,033.00

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Solution

The fourth proportional to 290,102.04, 400,334.47 and 161,033.00 is: 222,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,102.04 : 400,334.47 = 161,033.00 : x
  2. Step 2: Convert to fraction form
    290,102.04/400,334.47 = 161,033.00/x
  3. Step 3: Cross multiply
    290,102.04x = 400,334.47 × 161,033.00
  4. Step 4: Simplify right side
    290,102.04x = 64,467,058,303.26
  5. Step 5: Solve for x
    x = 64,467,058,303.26/290,102.04
  6. Step 6: Final answer
    x = 222,222.01

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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.