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Finding the Fourth Proportional to 294,071.90, 439,115.96 and 233,419.90

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Solution

The fourth proportional to 294,071.90, 439,115.96 and 233,419.90 is: 348,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,071.90 : 439,115.96 = 233,419.90 : x
  2. Step 2: Convert to fraction form
    294,071.90/439,115.96 = 233,419.90/x
  3. Step 3: Cross multiply
    294,071.90x = 439,115.96 × 233,419.90
  4. Step 4: Simplify right side
    294,071.90x = 102,498,401,580.45
  5. Step 5: Solve for x
    x = 102,498,401,580.45/294,071.90
  6. Step 6: Final answer
    x = 348,548.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.