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Finding the Fourth Proportional to 477,537.86, 716,395.38 and 157,711.89

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Solution

The fourth proportional to 477,537.86, 716,395.38 and 157,711.89 is: 236,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,537.86 : 716,395.38 = 157,711.89 : x
  2. Step 2: Convert to fraction form
    477,537.86/716,395.38 = 157,711.89/x
  3. Step 3: Cross multiply
    477,537.86x = 716,395.38 × 157,711.89
  4. Step 4: Simplify right side
    477,537.86x = 112,984,069,367.07
  5. Step 5: Solve for x
    x = 112,984,069,367.07/477,537.86
  6. Step 6: Final answer
    x = 236,597.10

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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.