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Finding the Fourth Proportional to 581,615.70, 872,066.34 and 226,215.54

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Solution

The fourth proportional to 581,615.70, 872,066.34 and 226,215.54 is: 339,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,615.70 : 872,066.34 = 226,215.54 : x
  2. Step 2: Convert to fraction form
    581,615.70/872,066.34 = 226,215.54/x
  3. Step 3: Cross multiply
    581,615.70x = 872,066.34 × 226,215.54
  4. Step 4: Simplify right side
    581,615.70x = 197,274,958,018.92
  5. Step 5: Solve for x
    x = 197,274,958,018.92/581,615.70
  6. Step 6: Final answer
    x = 339,184.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.