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Finding the Fourth Proportional to 220,368.32, 304,254.72 and 169,290.08

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Solution

The fourth proportional to 220,368.32, 304,254.72 and 169,290.08 is: 233,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,368.32 : 304,254.72 = 169,290.08 : x
  2. Step 2: Convert to fraction form
    220,368.32/304,254.72 = 169,290.08/x
  3. Step 3: Cross multiply
    220,368.32x = 304,254.72 × 169,290.08
  4. Step 4: Simplify right side
    220,368.32x = 51,507,305,889.18
  5. Step 5: Solve for x
    x = 51,507,305,889.18/220,368.32
  6. Step 6: Final answer
    x = 233,732.81

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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.