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Finding the Fourth Proportional to 594,192.50, 819,987 and 339,543.08

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Solution

The fourth proportional to 594,192.50, 819,987 and 339,543.08 is: 468,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,192.50 : 819,987 = 339,543.08 : x
  2. Step 2: Convert to fraction form
    594,192.50/819,987 = 339,543.08/x
  3. Step 3: Cross multiply
    594,192.50x = 819,987 × 339,543.08
  4. Step 4: Simplify right side
    594,192.50x = 278,420,911,539.96
  5. Step 5: Solve for x
    x = 278,420,911,539.96/594,192.50
  6. Step 6: Final answer
    x = 468,570.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.