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Finding the Fourth Proportional to 582,182.47, 873,223.68 and 354,418.98

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Solution

The fourth proportional to 582,182.47, 873,223.68 and 354,418.98 is: 531,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,182.47 : 873,223.68 = 354,418.98 : x
  2. Step 2: Convert to fraction form
    582,182.47/873,223.68 = 354,418.98/x
  3. Step 3: Cross multiply
    582,182.47x = 873,223.68 × 354,418.98
  4. Step 4: Simplify right side
    582,182.47x = 309,487,045,977.45
  5. Step 5: Solve for x
    x = 309,487,045,977.45/582,182.47
  6. Step 6: Final answer
    x = 531,598.02

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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.