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Finding the Fourth Proportional to 607,460.92, 838,304.94 and 352,812.10

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Solution

The fourth proportional to 607,460.92, 838,304.94 and 352,812.10 is: 486,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,460.92 : 838,304.94 = 352,812.10 : x
  2. Step 2: Convert to fraction form
    607,460.92/838,304.94 = 352,812.10/x
  3. Step 3: Cross multiply
    607,460.92x = 838,304.94 × 352,812.10
  4. Step 4: Simplify right side
    607,460.92x = 295,764,126,321.77
  5. Step 5: Solve for x
    x = 295,764,126,321.77/607,460.92
  6. Step 6: Final answer
    x = 486,885.85

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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.