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Finding the Fourth Proportional to 477,360.68, 715,887.86 and 157,440.62

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Solution

The fourth proportional to 477,360.68, 715,887.86 and 157,440.62 is: 236,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,360.68 : 715,887.86 = 157,440.62 : x
  2. Step 2: Convert to fraction form
    477,360.68/715,887.86 = 157,440.62/x
  3. Step 3: Cross multiply
    477,360.68x = 715,887.86 × 157,440.62
  4. Step 4: Simplify right side
    477,360.68x = 112,709,824,949.43
  5. Step 5: Solve for x
    x = 112,709,824,949.43/477,360.68
  6. Step 6: Final answer
    x = 236,110.41

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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.