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Finding the Fourth Proportional to 454,086.76, 626,639.87 and 263,210.86

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Solution

The fourth proportional to 454,086.76, 626,639.87 and 263,210.86 is: 363,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,086.76 : 626,639.87 = 263,210.86 : x
  2. Step 2: Convert to fraction form
    454,086.76/626,639.87 = 263,210.86/x
  3. Step 3: Cross multiply
    454,086.76x = 626,639.87 × 263,210.86
  4. Step 4: Simplify right side
    454,086.76x = 164,938,417,776.93
  5. Step 5: Solve for x
    x = 164,938,417,776.93/454,086.76
  6. Step 6: Final answer
    x = 363,231.07

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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.