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Finding the Fourth Proportional to 370,149.21, 510,807.06 and 200,382.93

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Solution

The fourth proportional to 370,149.21, 510,807.06 and 200,382.93 is: 276,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,149.21 : 510,807.06 = 200,382.93 : x
  2. Step 2: Convert to fraction form
    370,149.21/510,807.06 = 200,382.93/x
  3. Step 3: Cross multiply
    370,149.21x = 510,807.06 × 200,382.93
  4. Step 4: Simplify right side
    370,149.21x = 102,357,015,347.49
  5. Step 5: Solve for x
    x = 102,357,015,347.49/370,149.21
  6. Step 6: Final answer
    x = 276,529.07

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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.