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Finding the Fourth Proportional to 566,656.23, 781,987.46 and 308,536.23

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Solution

The fourth proportional to 566,656.23, 781,987.46 and 308,536.23 is: 425,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,656.23 : 781,987.46 = 308,536.23 : x
  2. Step 2: Convert to fraction form
    566,656.23/781,987.46 = 308,536.23/x
  3. Step 3: Cross multiply
    566,656.23x = 781,987.46 × 308,536.23
  4. Step 4: Simplify right side
    566,656.23x = 241,271,461,273.00
  5. Step 5: Solve for x
    x = 241,271,461,273.00/566,656.23
  6. Step 6: Final answer
    x = 425,781.01

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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.