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Finding the Fourth Proportional to 551,620.58, 761,298.18 and 333,949.23

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Solution

The fourth proportional to 551,620.58, 761,298.18 and 333,949.23 is: 460,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,620.58 : 761,298.18 = 333,949.23 : x
  2. Step 2: Convert to fraction form
    551,620.58/761,298.18 = 333,949.23/x
  3. Step 3: Cross multiply
    551,620.58x = 761,298.18 × 333,949.23
  4. Step 4: Simplify right side
    551,620.58x = 254,234,938,156.53
  5. Step 5: Solve for x
    x = 254,234,938,156.53/551,620.58
  6. Step 6: Final answer
    x = 460,887.34

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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.