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Finding the Fourth Proportional to 567,127.40, 851,958.30 and 473,815.40

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Solution

The fourth proportional to 567,127.40, 851,958.30 and 473,815.40 is: 711,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,127.40 : 851,958.30 = 473,815.40 : x
  2. Step 2: Convert to fraction form
    567,127.40/851,958.30 = 473,815.40/x
  3. Step 3: Cross multiply
    567,127.40x = 851,958.30 × 473,815.40
  4. Step 4: Simplify right side
    567,127.40x = 403,670,962,697.82
  5. Step 5: Solve for x
    x = 403,670,962,697.82/567,127.40
  6. Step 6: Final answer
    x = 711,781.80

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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.