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Finding the Fourth Proportional to 541,852.52, 813,303.68 and 261,566.60

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Solution

The fourth proportional to 541,852.52, 813,303.68 and 261,566.60 is: 392,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,852.52 : 813,303.68 = 261,566.60 : x
  2. Step 2: Convert to fraction form
    541,852.52/813,303.68 = 261,566.60/x
  3. Step 3: Cross multiply
    541,852.52x = 813,303.68 × 261,566.60
  4. Step 4: Simplify right side
    541,852.52x = 212,733,072,970.74
  5. Step 5: Solve for x
    x = 212,733,072,970.74/541,852.52
  6. Step 6: Final answer
    x = 392,603.28

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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.