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Finding the Fourth Proportional to 533,033.90, 735,515.70 and 342,305.63

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Solution

The fourth proportional to 533,033.90, 735,515.70 and 342,305.63 is: 472,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,033.90 : 735,515.70 = 342,305.63 : x
  2. Step 2: Convert to fraction form
    533,033.90/735,515.70 = 342,305.63/x
  3. Step 3: Cross multiply
    533,033.90x = 735,515.70 × 342,305.63
  4. Step 4: Simplify right side
    533,033.90x = 251,771,165,063.39
  5. Step 5: Solve for x
    x = 251,771,165,063.39/533,033.90
  6. Step 6: Final answer
    x = 472,336.12

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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.