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Finding the Fourth Proportional to 582,115.76, 873,509 and 245,130.16

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Solution

The fourth proportional to 582,115.76, 873,509 and 245,130.16 is: 367,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,115.76 : 873,509 = 245,130.16 : x
  2. Step 2: Convert to fraction form
    582,115.76/873,509 = 245,130.16/x
  3. Step 3: Cross multiply
    582,115.76x = 873,509 × 245,130.16
  4. Step 4: Simplify right side
    582,115.76x = 214,123,400,931.44
  5. Step 5: Solve for x
    x = 214,123,400,931.44/582,115.76
  6. Step 6: Final answer
    x = 367,836.46

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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.