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Finding the Fourth Proportional to 402,483.70, 603,798.45 and 202,300.30

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Solution

The fourth proportional to 402,483.70, 603,798.45 and 202,300.30 is: 303,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,483.70 : 603,798.45 = 202,300.30 : x
  2. Step 2: Convert to fraction form
    402,483.70/603,798.45 = 202,300.30/x
  3. Step 3: Cross multiply
    402,483.70x = 603,798.45 × 202,300.30
  4. Step 4: Simplify right side
    402,483.70x = 122,148,607,574.54
  5. Step 5: Solve for x
    x = 122,148,607,574.54/402,483.70
  6. Step 6: Final answer
    x = 303,487.09

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