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Finding the Fourth Proportional to 582,992.43, 872,513.38 and 358,495.03

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Solution

The fourth proportional to 582,992.43, 872,513.38 and 358,495.03 is: 536,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,992.43 : 872,513.38 = 358,495.03 : x
  2. Step 2: Convert to fraction form
    582,992.43/872,513.38 = 358,495.03/x
  3. Step 3: Cross multiply
    582,992.43x = 872,513.38 × 358,495.03
  4. Step 4: Simplify right side
    582,992.43x = 312,791,710,338.50
  5. Step 5: Solve for x
    x = 312,791,710,338.50/582,992.43
  6. Step 6: Final answer
    x = 536,527.91

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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.