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Finding the Fourth Proportional to 294,630.91, 406,590.65 and 160,494.91

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Solution

The fourth proportional to 294,630.91, 406,590.65 and 160,494.91 is: 221,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,630.91 : 406,590.65 = 160,494.91 : x
  2. Step 2: Convert to fraction form
    294,630.91/406,590.65 = 160,494.91/x
  3. Step 3: Cross multiply
    294,630.91x = 406,590.65 × 160,494.91
  4. Step 4: Simplify right side
    294,630.91x = 65,255,729,778.59
  5. Step 5: Solve for x
    x = 65,255,729,778.59/294,630.91
  6. Step 6: Final answer
    x = 221,482.97

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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.