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Finding the Fourth Proportional to 582,767.40, 873,632.70 and 345,858.60

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Solution

The fourth proportional to 582,767.40, 873,632.70 and 345,858.60 is: 518,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,767.40 : 873,632.70 = 345,858.60 : x
  2. Step 2: Convert to fraction form
    582,767.40/873,632.70 = 345,858.60/x
  3. Step 3: Cross multiply
    582,767.40x = 873,632.70 × 345,858.60
  4. Step 4: Simplify right side
    582,767.40x = 302,153,382,536.22
  5. Step 5: Solve for x
    x = 302,153,382,536.22/582,767.40
  6. Step 6: Final answer
    x = 518,480.24

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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.