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Finding the Fourth Proportional to 562,208.85, 775,866.57 and 307,560.04

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Solution

The fourth proportional to 562,208.85, 775,866.57 and 307,560.04 is: 424,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,208.85 : 775,866.57 = 307,560.04 : x
  2. Step 2: Convert to fraction form
    562,208.85/775,866.57 = 307,560.04/x
  3. Step 3: Cross multiply
    562,208.85x = 775,866.57 × 307,560.04
  4. Step 4: Simplify right side
    562,208.85x = 238,625,553,303.86
  5. Step 5: Solve for x
    x = 238,625,553,303.86/562,208.85
  6. Step 6: Final answer
    x = 424,442.90

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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.