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Finding the Fourth Proportional to 607,546.02, 911,315.73 and 247,715.47

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Solution

The fourth proportional to 607,546.02, 911,315.73 and 247,715.47 is: 371,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,546.02 : 911,315.73 = 247,715.47 : x
  2. Step 2: Convert to fraction form
    607,546.02/911,315.73 = 247,715.47/x
  3. Step 3: Cross multiply
    607,546.02x = 911,315.73 × 247,715.47
  4. Step 4: Simplify right side
    607,546.02x = 225,746,999,923.87
  5. Step 5: Solve for x
    x = 225,746,999,923.87/607,546.02
  6. Step 6: Final answer
    x = 371,571.85

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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.