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Finding the Fourth Proportional to 468,205.40, 702,308.10 and 202,484.90

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Solution

The fourth proportional to 468,205.40, 702,308.10 and 202,484.90 is: 303,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,205.40 : 702,308.10 = 202,484.90 : x
  2. Step 2: Convert to fraction form
    468,205.40/702,308.10 = 202,484.90/x
  3. Step 3: Cross multiply
    468,205.40x = 702,308.10 × 202,484.90
  4. Step 4: Simplify right side
    468,205.40x = 142,206,785,397.69
  5. Step 5: Solve for x
    x = 142,206,785,397.69/468,205.40
  6. Step 6: Final answer
    x = 303,727.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.