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Finding the Fourth Proportional to 265,532.63, 366,430.38 and 144,674.78

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Solution

The fourth proportional to 265,532.63, 366,430.38 and 144,674.78 is: 199,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,532.63 : 366,430.38 = 144,674.78 : x
  2. Step 2: Convert to fraction form
    265,532.63/366,430.38 = 144,674.78/x
  3. Step 3: Cross multiply
    265,532.63x = 366,430.38 × 144,674.78
  4. Step 4: Simplify right side
    265,532.63x = 53,013,236,142.69
  5. Step 5: Solve for x
    x = 53,013,236,142.69/265,532.63
  6. Step 6: Final answer
    x = 199,648.67

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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.