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Finding the Fourth Proportional to 468,632.80, 702,803.90 and 169,074.45

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Solution

The fourth proportional to 468,632.80, 702,803.90 and 169,074.45 is: 253,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,632.80 : 702,803.90 = 169,074.45 : x
  2. Step 2: Convert to fraction form
    468,632.80/702,803.90 = 169,074.45/x
  3. Step 3: Cross multiply
    468,632.80x = 702,803.90 × 169,074.45
  4. Step 4: Simplify right side
    468,632.80x = 118,826,178,490.96
  5. Step 5: Solve for x
    x = 118,826,178,490.96/468,632.80
  6. Step 6: Final answer
    x = 253,559.25

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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.