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Finding the Fourth Proportional to 477,593.42, 659,071.89 and 262,720.67

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Solution

The fourth proportional to 477,593.42, 659,071.89 and 262,720.67 is: 362,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,593.42 : 659,071.89 = 262,720.67 : x
  2. Step 2: Convert to fraction form
    477,593.42/659,071.89 = 262,720.67/x
  3. Step 3: Cross multiply
    477,593.42x = 659,071.89 × 262,720.67
  4. Step 4: Simplify right side
    477,593.42x = 173,151,805,223.61
  5. Step 5: Solve for x
    x = 173,151,805,223.61/477,593.42
  6. Step 6: Final answer
    x = 362,550.65

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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.