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Finding the Fourth Proportional to 270,520.89, 406,095.81 and 158,281.65

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Solution

The fourth proportional to 270,520.89, 406,095.81 and 158,281.65 is: 237,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,520.89 : 406,095.81 = 158,281.65 : x
  2. Step 2: Convert to fraction form
    270,520.89/406,095.81 = 158,281.65/x
  3. Step 3: Cross multiply
    270,520.89x = 406,095.81 × 158,281.65
  4. Step 4: Simplify right side
    270,520.89x = 64,277,514,864.89
  5. Step 5: Solve for x
    x = 64,277,514,864.89/270,520.89
  6. Step 6: Final answer
    x = 237,606.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.