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Finding the Fourth Proportional to 437,765.28, 604,210.02 and 276,517.77

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Solution

The fourth proportional to 437,765.28, 604,210.02 and 276,517.77 is: 381,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,765.28 : 604,210.02 = 276,517.77 : x
  2. Step 2: Convert to fraction form
    437,765.28/604,210.02 = 276,517.77/x
  3. Step 3: Cross multiply
    437,765.28x = 604,210.02 × 276,517.77
  4. Step 4: Simplify right side
    437,765.28x = 167,074,807,342.06
  5. Step 5: Solve for x
    x = 167,074,807,342.06/437,765.28
  6. Step 6: Final answer
    x = 381,653.86

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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.