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Finding the Fourth Proportional to 614,858.41, 922,637.52 and 490,986.73

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Solution

The fourth proportional to 614,858.41, 922,637.52 and 490,986.73 is: 736,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,858.41 : 922,637.52 = 490,986.73 : x
  2. Step 2: Convert to fraction form
    614,858.41/922,637.52 = 490,986.73/x
  3. Step 3: Cross multiply
    614,858.41x = 922,637.52 × 490,986.73
  4. Step 4: Simplify right side
    614,858.41x = 453,002,778,920.11
  5. Step 5: Solve for x
    x = 453,002,778,920.11/614,858.41
  6. Step 6: Final answer
    x = 736,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.