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Finding the Fourth Proportional to 434,400.68, 651,591.54 and 118,857.57

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Solution

The fourth proportional to 434,400.68, 651,591.54 and 118,857.57 is: 178,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,400.68 : 651,591.54 = 118,857.57 : x
  2. Step 2: Convert to fraction form
    434,400.68/651,591.54 = 118,857.57/x
  3. Step 3: Cross multiply
    434,400.68x = 651,591.54 × 118,857.57
  4. Step 4: Simplify right side
    434,400.68x = 77,446,587,076.96
  5. Step 5: Solve for x
    x = 77,446,587,076.96/434,400.68
  6. Step 6: Final answer
    x = 178,283.76

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1.5x scale

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.