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Finding the Fourth Proportional to 388,259.93, 582,599.18 and 163,775.93

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Solution

The fourth proportional to 388,259.93, 582,599.18 and 163,775.93 is: 245,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,259.93 : 582,599.18 = 163,775.93 : x
  2. Step 2: Convert to fraction form
    388,259.93/582,599.18 = 163,775.93/x
  3. Step 3: Cross multiply
    388,259.93x = 582,599.18 × 163,775.93
  4. Step 4: Simplify right side
    388,259.93x = 95,415,720,018.18
  5. Step 5: Solve for x
    x = 95,415,720,018.18/388,259.93
  6. Step 6: Final answer
    x = 245,752.17

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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.