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Finding the Fourth Proportional to 566,656.98, 781,988.49 and 308,536.98

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Solution

The fourth proportional to 566,656.98, 781,988.49 and 308,536.98 is: 425,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,656.98 : 781,988.49 = 308,536.98 : x
  2. Step 2: Convert to fraction form
    566,656.98/781,988.49 = 308,536.98/x
  3. Step 3: Cross multiply
    566,656.98x = 781,988.49 × 308,536.98
  4. Step 4: Simplify right side
    566,656.98x = 241,272,367,099.36
  5. Step 5: Solve for x
    x = 241,272,367,099.36/566,656.98
  6. Step 6: Final answer
    x = 425,782.04

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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.