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Finding the Fourth Proportional to 624,150.34, 861,349.62 and 352,284.40

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Solution

The fourth proportional to 624,150.34, 861,349.62 and 352,284.40 is: 486,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,150.34 : 861,349.62 = 352,284.40 : x
  2. Step 2: Convert to fraction form
    624,150.34/861,349.62 = 352,284.40/x
  3. Step 3: Cross multiply
    624,150.34x = 861,349.62 × 352,284.40
  4. Step 4: Simplify right side
    624,150.34x = 303,440,034,071.93
  5. Step 5: Solve for x
    x = 303,440,034,071.93/624,150.34
  6. Step 6: Final answer
    x = 486,164.97

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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.