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Finding the Fourth Proportional to 462,263.04, 638,119.46 and 281,032.84

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Solution

The fourth proportional to 462,263.04, 638,119.46 and 281,032.84 is: 387,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,263.04 : 638,119.46 = 281,032.84 : x
  2. Step 2: Convert to fraction form
    462,263.04/638,119.46 = 281,032.84/x
  3. Step 3: Cross multiply
    462,263.04x = 638,119.46 × 281,032.84
  4. Step 4: Simplify right side
    462,263.04x = 179,332,523,210.35
  5. Step 5: Solve for x
    x = 179,332,523,210.35/462,263.04
  6. Step 6: Final answer
    x = 387,944.76

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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.