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Finding the Fourth Proportional to 614,790.77, 922,247.63 and 188,321.64

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Solution

The fourth proportional to 614,790.77, 922,247.63 and 188,321.64 is: 282,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,790.77 : 922,247.63 = 188,321.64 : x
  2. Step 2: Convert to fraction form
    614,790.77/922,247.63 = 188,321.64/x
  3. Step 3: Cross multiply
    614,790.77x = 922,247.63 × 188,321.64
  4. Step 4: Simplify right side
    614,790.77x = 173,679,185,226.11
  5. Step 5: Solve for x
    x = 173,679,185,226.11/614,790.77
  6. Step 6: Final answer
    x = 282,501.29

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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.