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Finding the Fourth Proportional to 469,595, 648,041.10 and 268,395.32

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Solution

The fourth proportional to 469,595, 648,041.10 and 268,395.32 is: 370,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,595 : 648,041.10 = 268,395.32 : x
  2. Step 2: Convert to fraction form
    469,595/648,041.10 = 268,395.32/x
  3. Step 3: Cross multiply
    469,595x = 648,041.10 × 268,395.32
  4. Step 4: Simplify right side
    469,595x = 173,931,198,407.65
  5. Step 5: Solve for x
    x = 173,931,198,407.65/469,595
  6. Step 6: Final answer
    x = 370,385.54

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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.