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Finding the Fourth Proportional to 598,071.60, 825,341.40 and 356,475.60

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Solution

The fourth proportional to 598,071.60, 825,341.40 and 356,475.60 is: 491,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,071.60 : 825,341.40 = 356,475.60 : x
  2. Step 2: Convert to fraction form
    598,071.60/825,341.40 = 356,475.60/x
  3. Step 3: Cross multiply
    598,071.60x = 825,341.40 × 356,475.60
  4. Step 4: Simplify right side
    598,071.60x = 294,214,070,769.84
  5. Step 5: Solve for x
    x = 294,214,070,769.84/598,071.60
  6. Step 6: Final answer
    x = 491,937.87

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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.