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Finding the Fourth Proportional to 468,790.95, 703,235.84 and 153,247.35

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Solution

The fourth proportional to 468,790.95, 703,235.84 and 153,247.35 is: 229,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,790.95 : 703,235.84 = 153,247.35 : x
  2. Step 2: Convert to fraction form
    468,790.95/703,235.84 = 153,247.35/x
  3. Step 3: Cross multiply
    468,790.95x = 703,235.84 × 153,247.35
  4. Step 4: Simplify right side
    468,790.95x = 107,769,028,905.02
  5. Step 5: Solve for x
    x = 107,769,028,905.02/468,790.95
  6. Step 6: Final answer
    x = 229,887.18

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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.