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Finding the Fourth Proportional to 607,746.87, 911,620.98 and 158,467.36

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Solution

The fourth proportional to 607,746.87, 911,620.98 and 158,467.36 is: 237,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,746.87 : 911,620.98 = 158,467.36 : x
  2. Step 2: Convert to fraction form
    607,746.87/911,620.98 = 158,467.36/x
  3. Step 3: Cross multiply
    607,746.87x = 911,620.98 × 158,467.36
  4. Step 4: Simplify right side
    607,746.87x = 144,462,170,021.21
  5. Step 5: Solve for x
    x = 144,462,170,021.21/607,746.87
  6. Step 6: Final answer
    x = 237,701.22

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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.