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Finding the Fourth Proportional to 556,046.40, 834,847.20 and 346,094.40

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Solution

The fourth proportional to 556,046.40, 834,847.20 and 346,094.40 is: 519,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,046.40 : 834,847.20 = 346,094.40 : x
  2. Step 2: Convert to fraction form
    556,046.40/834,847.20 = 346,094.40/x
  3. Step 3: Cross multiply
    556,046.40x = 834,847.20 × 346,094.40
  4. Step 4: Simplify right side
    556,046.40x = 288,935,940,775.68
  5. Step 5: Solve for x
    x = 288,935,940,775.68/556,046.40
  6. Step 6: Final answer
    x = 519,625.59

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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.