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Finding the Fourth Proportional to 294,817.60, 406,848.36 and 167,493.40

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Solution

The fourth proportional to 294,817.60, 406,848.36 and 167,493.40 is: 231,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,817.60 : 406,848.36 = 167,493.40 : x
  2. Step 2: Convert to fraction form
    294,817.60/406,848.36 = 167,493.40/x
  3. Step 3: Cross multiply
    294,817.60x = 406,848.36 × 167,493.40
  4. Step 4: Simplify right side
    294,817.60x = 68,144,415,100.82
  5. Step 5: Solve for x
    x = 68,144,415,100.82/294,817.60
  6. Step 6: Final answer
    x = 231,140.93

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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.