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Finding the Fourth Proportional to 577,897.40, 866,829.90 and 262,353.80

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Solution

The fourth proportional to 577,897.40, 866,829.90 and 262,353.80 is: 393,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,897.40 : 866,829.90 = 262,353.80 : x
  2. Step 2: Convert to fraction form
    577,897.40/866,829.90 = 262,353.80/x
  3. Step 3: Cross multiply
    577,897.40x = 866,829.90 × 262,353.80
  4. Step 4: Simplify right side
    577,897.40x = 227,416,118,218.62
  5. Step 5: Solve for x
    x = 227,416,118,218.62/577,897.40
  6. Step 6: Final answer
    x = 393,523.35

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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.