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Finding the Fourth Proportional to 484,688.00, 668,434.05 and 303,416.48

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Solution

The fourth proportional to 484,688.00, 668,434.05 and 303,416.48 is: 418,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,688.00 : 668,434.05 = 303,416.48 : x
  2. Step 2: Convert to fraction form
    484,688.00/668,434.05 = 303,416.48/x
  3. Step 3: Cross multiply
    484,688.00x = 668,434.05 × 303,416.48
  4. Step 4: Simplify right side
    484,688.00x = 202,813,903,220.97
  5. Step 5: Solve for x
    x = 202,813,903,220.97/484,688.00
  6. Step 6: Final answer
    x = 418,442.18

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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.