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Finding the Fourth Proportional to 562,208.83, 775,866.52 and 307,560.02

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Solution

The fourth proportional to 562,208.83, 775,866.52 and 307,560.02 is: 424,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,208.83 : 775,866.52 = 307,560.02 : x
  2. Step 2: Convert to fraction form
    562,208.83/775,866.52 = 307,560.02/x
  3. Step 3: Cross multiply
    562,208.83x = 775,866.52 × 307,560.02
  4. Step 4: Simplify right side
    562,208.83x = 238,625,520,368.40
  5. Step 5: Solve for x
    x = 238,625,520,368.40/562,208.83
  6. Step 6: Final answer
    x = 424,442.85

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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.