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Finding the Fourth Proportional to 294,813.48, 406,853.48 and 167,510.64

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Solution

The fourth proportional to 294,813.48, 406,853.48 and 167,510.64 is: 231,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,813.48 : 406,853.48 = 167,510.64 : x
  2. Step 2: Convert to fraction form
    294,813.48/406,853.48 = 167,510.64/x
  3. Step 3: Cross multiply
    294,813.48x = 406,853.48 × 167,510.64
  4. Step 4: Simplify right side
    294,813.48x = 68,152,286,821.03
  5. Step 5: Solve for x
    x = 68,152,286,821.03/294,813.48
  6. Step 6: Final answer
    x = 231,170.86

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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.