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Finding the Fourth Proportional to 533,375.55, 735,429.33 and 431,084.70

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Solution

The fourth proportional to 533,375.55, 735,429.33 and 431,084.70 is: 594,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,375.55 : 735,429.33 = 431,084.70 : x
  2. Step 2: Convert to fraction form
    533,375.55/735,429.33 = 431,084.70/x
  3. Step 3: Cross multiply
    533,375.55x = 735,429.33 × 431,084.70
  4. Step 4: Simplify right side
    533,375.55x = 317,032,332,094.25
  5. Step 5: Solve for x
    x = 317,032,332,094.25/533,375.55
  6. Step 6: Final answer
    x = 594,388.57

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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.