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Finding the Fourth Proportional to 370,569.56, 555,841.38 and 157,200.44

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Solution

The fourth proportional to 370,569.56, 555,841.38 and 157,200.44 is: 235,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,569.56 : 555,841.38 = 157,200.44 : x
  2. Step 2: Convert to fraction form
    370,569.56/555,841.38 = 157,200.44/x
  3. Step 3: Cross multiply
    370,569.56x = 555,841.38 × 157,200.44
  4. Step 4: Simplify right side
    370,569.56x = 87,378,509,506.21
  5. Step 5: Solve for x
    x = 87,378,509,506.21/370,569.56
  6. Step 6: Final answer
    x = 235,795.16

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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.