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Finding the Fourth Proportional to 582,978.74, 872,492.98 and 358,481.37

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Solution

The fourth proportional to 582,978.74, 872,492.98 and 358,481.37 is: 536,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,978.74 : 872,492.98 = 358,481.37 : x
  2. Step 2: Convert to fraction form
    582,978.74/872,492.98 = 358,481.37/x
  3. Step 3: Cross multiply
    582,978.74x = 872,492.98 × 358,481.37
  4. Step 4: Simplify right side
    582,978.74x = 312,772,478,785.78
  5. Step 5: Solve for x
    x = 312,772,478,785.78/582,978.74
  6. Step 6: Final answer
    x = 536,507.52

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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.