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Finding the Fourth Proportional to 580,209.54, 866,343.51 and 519,848.34

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Solution

The fourth proportional to 580,209.54, 866,343.51 and 519,848.34 is: 776,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,209.54 : 866,343.51 = 519,848.34 : x
  2. Step 2: Convert to fraction form
    580,209.54/866,343.51 = 519,848.34/x
  3. Step 3: Cross multiply
    580,209.54x = 866,343.51 × 519,848.34
  4. Step 4: Simplify right side
    580,209.54x = 450,367,235,543.27
  5. Step 5: Solve for x
    x = 450,367,235,543.27/580,209.54
  6. Step 6: Final answer
    x = 776,214.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.