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Finding the Fourth Proportional to 606,264.35, 909,399.56 and 156,953.70

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Solution

The fourth proportional to 606,264.35, 909,399.56 and 156,953.70 is: 235,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,264.35 : 909,399.56 = 156,953.70 : x
  2. Step 2: Convert to fraction form
    606,264.35/909,399.56 = 156,953.70/x
  3. Step 3: Cross multiply
    606,264.35x = 909,399.56 × 156,953.70
  4. Step 4: Simplify right side
    606,264.35x = 142,733,624,935.60
  5. Step 5: Solve for x
    x = 142,733,624,935.60/606,264.35
  6. Step 6: Final answer
    x = 235,431.34

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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.