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Finding the Fourth Proportional to 533,142.33, 735,617.88 and 306,787.83

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Solution

The fourth proportional to 533,142.33, 735,617.88 and 306,787.83 is: 423,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,142.33 : 735,617.88 = 306,787.83 : x
  2. Step 2: Convert to fraction form
    533,142.33/735,617.88 = 306,787.83/x
  3. Step 3: Cross multiply
    533,142.33x = 735,617.88 × 306,787.83
  4. Step 4: Simplify right side
    533,142.33x = 225,678,613,114.40
  5. Step 5: Solve for x
    x = 225,678,613,114.40/533,142.33
  6. Step 6: Final answer
    x = 423,299.00

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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.