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Finding the Fourth Proportional to 295,210.44, 440,512.38 and 263,401.74

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Solution

The fourth proportional to 295,210.44, 440,512.38 and 263,401.74 is: 393,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,210.44 : 440,512.38 = 263,401.74 : x
  2. Step 2: Convert to fraction form
    295,210.44/440,512.38 = 263,401.74/x
  3. Step 3: Cross multiply
    295,210.44x = 440,512.38 × 263,401.74
  4. Step 4: Simplify right side
    295,210.44x = 116,031,727,383.54
  5. Step 5: Solve for x
    x = 116,031,727,383.54/295,210.44
  6. Step 6: Final answer
    x = 393,047.51

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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.