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Finding the Fourth Proportional to 362,903.70, 543,772.35 and 303,417.30

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Solution

The fourth proportional to 362,903.70, 543,772.35 and 303,417.30 is: 454,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,903.70 : 543,772.35 = 303,417.30 : x
  2. Step 2: Convert to fraction form
    362,903.70/543,772.35 = 303,417.30/x
  3. Step 3: Cross multiply
    362,903.70x = 543,772.35 × 303,417.30
  4. Step 4: Simplify right side
    362,903.70x = 164,989,938,251.66
  5. Step 5: Solve for x
    x = 164,989,938,251.66/362,903.70
  6. Step 6: Final answer
    x = 454,638.35

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1.5x scale

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.