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Finding the Fourth Proportional to 1,934,579.78, 2,897,443.80 and 924,411.80

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Solution

The fourth proportional to 1,934,579.78, 2,897,443.80 and 924,411.80 is: 1,384,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,579.78 : 2,897,443.80 = 924,411.80 : x
  2. Step 2: Convert to fraction form
    1,934,579.78/2,897,443.80 = 924,411.80/x
  3. Step 3: Cross multiply
    1,934,579.78x = 2,897,443.80 × 924,411.80
  4. Step 4: Simplify right side
    1,934,579.78x = 2,678,431,238,556.84
  5. Step 5: Solve for x
    x = 2,678,431,238,556.84/1,934,579.78
  6. Step 6: Final answer
    x = 1,384,502.86

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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.