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Finding the Fourth Proportional to 804,913.10, 1,208,752.05 and 569,905.10

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Solution

The fourth proportional to 804,913.10, 1,208,752.05 and 569,905.10 is: 855,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,913.10 : 1,208,752.05 = 569,905.10 : x
  2. Step 2: Convert to fraction form
    804,913.10/1,208,752.05 = 569,905.10/x
  3. Step 3: Cross multiply
    804,913.10x = 1,208,752.05 × 569,905.10
  4. Step 4: Simplify right side
    804,913.10x = 688,873,957,930.46
  5. Step 5: Solve for x
    x = 688,873,957,930.46/804,913.10
  6. Step 6: Final answer
    x = 855,836.43

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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.