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Finding the Fourth Proportional to 477,825.75, 716,567.85 and 157,918.41

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Solution

The fourth proportional to 477,825.75, 716,567.85 and 157,918.41 is: 236,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,825.75 : 716,567.85 = 157,918.41 : x
  2. Step 2: Convert to fraction form
    477,825.75/716,567.85 = 157,918.41/x
  3. Step 3: Cross multiply
    477,825.75x = 716,567.85 × 157,918.41
  4. Step 4: Simplify right side
    477,825.75x = 113,159,255,529.12
  5. Step 5: Solve for x
    x = 113,159,255,529.12/477,825.75
  6. Step 6: Final answer
    x = 236,821.17

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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.