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Finding the Fourth Proportional to 465,150.95, 697,774.70 and 128,191.66

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Solution

The fourth proportional to 465,150.95, 697,774.70 and 128,191.66 is: 192,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,150.95 : 697,774.70 = 128,191.66 : x
  2. Step 2: Convert to fraction form
    465,150.95/697,774.70 = 128,191.66/x
  3. Step 3: Cross multiply
    465,150.95x = 697,774.70 × 128,191.66
  4. Step 4: Simplify right side
    465,150.95x = 89,448,899,600.03
  5. Step 5: Solve for x
    x = 89,448,899,600.03/465,150.95
  6. Step 6: Final answer
    x = 192,300.80

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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.