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Finding the Fourth Proportional to 607,571.28, 838,243.08 and 352,829.52

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Solution

The fourth proportional to 607,571.28, 838,243.08 and 352,829.52 is: 486,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,571.28 : 838,243.08 = 352,829.52 : x
  2. Step 2: Convert to fraction form
    607,571.28/838,243.08 = 352,829.52/x
  3. Step 3: Cross multiply
    607,571.28x = 838,243.08 × 352,829.52
  4. Step 4: Simplify right side
    607,571.28x = 295,756,903,559.72
  5. Step 5: Solve for x
    x = 295,756,903,559.72/607,571.28
  6. Step 6: Final answer
    x = 486,785.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.