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Finding the Fourth Proportional to 533,429.40, 798,200.10 and 393,461.40

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Solution

The fourth proportional to 533,429.40, 798,200.10 and 393,461.40 is: 588,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,429.40 : 798,200.10 = 393,461.40 : x
  2. Step 2: Convert to fraction form
    533,429.40/798,200.10 = 393,461.40/x
  3. Step 3: Cross multiply
    533,429.40x = 798,200.10 × 393,461.40
  4. Step 4: Simplify right side
    533,429.40x = 314,060,928,826.14
  5. Step 5: Solve for x
    x = 314,060,928,826.14/533,429.40
  6. Step 6: Final answer
    x = 588,758.19

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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.