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Finding the Fourth Proportional to 288,089.93, 397,574.93 and 160,790.13

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Solution

The fourth proportional to 288,089.93, 397,574.93 and 160,790.13 is: 221,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,089.93 : 397,574.93 = 160,790.13 : x
  2. Step 2: Convert to fraction form
    288,089.93/397,574.93 = 160,790.13/x
  3. Step 3: Cross multiply
    288,089.93x = 397,574.93 × 160,790.13
  4. Step 4: Simplify right side
    288,089.93x = 63,926,125,081.42
  5. Step 5: Solve for x
    x = 63,926,125,081.42/288,089.93
  6. Step 6: Final answer
    x = 221,896.42

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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.