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Finding the Fourth Proportional to 556,817.60, 835,133.52 and 157,367.72

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Solution

The fourth proportional to 556,817.60, 835,133.52 and 157,367.72 is: 236,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,817.60 : 835,133.52 = 157,367.72 : x
  2. Step 2: Convert to fraction form
    556,817.60/835,133.52 = 157,367.72/x
  3. Step 3: Cross multiply
    556,817.60x = 835,133.52 × 157,367.72
  4. Step 4: Simplify right side
    556,817.60x = 131,423,057,937.97
  5. Step 5: Solve for x
    x = 131,423,057,937.97/556,817.60
  6. Step 6: Final answer
    x = 236,025.33

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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.