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Finding the Fourth Proportional to 582,763.76, 874,270.72 and 330,165.26

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Solution

The fourth proportional to 582,763.76, 874,270.72 and 330,165.26 is: 495,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,763.76 : 874,270.72 = 330,165.26 : x
  2. Step 2: Convert to fraction form
    582,763.76/874,270.72 = 330,165.26/x
  3. Step 3: Cross multiply
    582,763.76x = 874,270.72 × 330,165.26
  4. Step 4: Simplify right side
    582,763.76x = 288,653,821,959.65
  5. Step 5: Solve for x
    x = 288,653,821,959.65/582,763.76
  6. Step 6: Final answer
    x = 495,318.75

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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.