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Finding the Fourth Proportional to 228,534.68, 342,860.34 and 144,889.22

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Solution

The fourth proportional to 228,534.68, 342,860.34 and 144,889.22 is: 217,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,534.68 : 342,860.34 = 144,889.22 : x
  2. Step 2: Convert to fraction form
    228,534.68/342,860.34 = 144,889.22/x
  3. Step 3: Cross multiply
    228,534.68x = 342,860.34 × 144,889.22
  4. Step 4: Simplify right side
    228,534.68x = 49,676,768,632.02
  5. Step 5: Solve for x
    x = 49,676,768,632.02/228,534.68
  6. Step 6: Final answer
    x = 217,370.81

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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.