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Finding the Fourth Proportional to 804,204.90, 1,110,051.90 and 517,725

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Solution

The fourth proportional to 804,204.90, 1,110,051.90 and 517,725 is: 714,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,204.90 : 1,110,051.90 = 517,725 : x
  2. Step 2: Convert to fraction form
    804,204.90/1,110,051.90 = 517,725/x
  3. Step 3: Cross multiply
    804,204.90x = 1,110,051.90 × 517,725
  4. Step 4: Simplify right side
    804,204.90x = 574,701,619,927.50
  5. Step 5: Solve for x
    x = 574,701,619,927.50/804,204.90
  6. Step 6: Final answer
    x = 714,620.89

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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.