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Finding the Fourth Proportional to 533,725.40, 800,588.10 and 178,702.40

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Solution

The fourth proportional to 533,725.40, 800,588.10 and 178,702.40 is: 268,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,725.40 : 800,588.10 = 178,702.40 : x
  2. Step 2: Convert to fraction form
    533,725.40/800,588.10 = 178,702.40/x
  3. Step 3: Cross multiply
    533,725.40x = 800,588.10 × 178,702.40
  4. Step 4: Simplify right side
    533,725.40x = 143,067,014,881.44
  5. Step 5: Solve for x
    x = 143,067,014,881.44/533,725.40
  6. Step 6: Final answer
    x = 268,053.60

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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.