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Finding the Fourth Proportional to 578,859.61, 798,925.13 and 337,285.35

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Solution

The fourth proportional to 578,859.61, 798,925.13 and 337,285.35 is: 465,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,859.61 : 798,925.13 = 337,285.35 : x
  2. Step 2: Convert to fraction form
    578,859.61/798,925.13 = 337,285.35/x
  3. Step 3: Cross multiply
    578,859.61x = 798,925.13 × 337,285.35
  4. Step 4: Simplify right side
    578,859.61x = 269,465,742,095.85
  5. Step 5: Solve for x
    x = 269,465,742,095.85/578,859.61
  6. Step 6: Final answer
    x = 465,511.39

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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.