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Finding the Fourth Proportional to 361,446.12, 498,798.54 and 200,303.84

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Solution

The fourth proportional to 361,446.12, 498,798.54 and 200,303.84 is: 276,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,446.12 : 498,798.54 = 200,303.84 : x
  2. Step 2: Convert to fraction form
    361,446.12/498,798.54 = 200,303.84/x
  3. Step 3: Cross multiply
    361,446.12x = 498,798.54 × 200,303.84
  4. Step 4: Simplify right side
    361,446.12x = 99,911,264,195.39
  5. Step 5: Solve for x
    x = 99,911,264,195.39/361,446.12
  6. Step 6: Final answer
    x = 276,420.91

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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.