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Finding the Fourth Proportional to 607,240.28, 838,065.47 and 352,591.46

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Solution

The fourth proportional to 607,240.28, 838,065.47 and 352,591.46 is: 486,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,240.28 : 838,065.47 = 352,591.46 : x
  2. Step 2: Convert to fraction form
    607,240.28/838,065.47 = 352,591.46/x
  3. Step 3: Cross multiply
    607,240.28x = 838,065.47 × 352,591.46
  4. Step 4: Simplify right side
    607,240.28x = 295,494,721,689.60
  5. Step 5: Solve for x
    x = 295,494,721,689.60/607,240.28
  6. Step 6: Final answer
    x = 486,619.11

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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.