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Finding the Fourth Proportional to 533,384.12, 799,535.63 and 191,725.65

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Solution

The fourth proportional to 533,384.12, 799,535.63 and 191,725.65 is: 287,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,384.12 : 799,535.63 = 191,725.65 : x
  2. Step 2: Convert to fraction form
    533,384.12/799,535.63 = 191,725.65/x
  3. Step 3: Cross multiply
    533,384.12x = 799,535.63 × 191,725.65
  4. Step 4: Simplify right side
    533,384.12x = 153,291,488,839.22
  5. Step 5: Solve for x
    x = 153,291,488,839.22/533,384.12
  6. Step 6: Final answer
    x = 287,394.17

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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.