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Finding the Fourth Proportional to 294,460.67, 406,365.73 and 165,421.94

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Solution

The fourth proportional to 294,460.67, 406,365.73 and 165,421.94 is: 228,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,460.67 : 406,365.73 = 165,421.94 : x
  2. Step 2: Convert to fraction form
    294,460.67/406,365.73 = 165,421.94/x
  3. Step 3: Cross multiply
    294,460.67x = 406,365.73 × 165,421.94
  4. Step 4: Simplify right side
    294,460.67x = 67,221,807,406.12
  5. Step 5: Solve for x
    x = 67,221,807,406.12/294,460.67
  6. Step 6: Final answer
    x = 228,287.90

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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.