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Finding the Fourth Proportional to 484,223.95, 668,245.06 and 266,457.52

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Solution

The fourth proportional to 484,223.95, 668,245.06 and 266,457.52 is: 367,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,223.95 : 668,245.06 = 266,457.52 : x
  2. Step 2: Convert to fraction form
    484,223.95/668,245.06 = 266,457.52/x
  3. Step 3: Cross multiply
    484,223.95x = 668,245.06 × 266,457.52
  4. Step 4: Simplify right side
    484,223.95x = 178,058,922,608.23
  5. Step 5: Solve for x
    x = 178,058,922,608.23/484,223.95
  6. Step 6: Final answer
    x = 367,720.19

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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.