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Finding the Fourth Proportional to 692,273.93, 955,350.47 and 406,000.49

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Solution

The fourth proportional to 692,273.93, 955,350.47 and 406,000.49 is: 560,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,273.93 : 955,350.47 = 406,000.49 : x
  2. Step 2: Convert to fraction form
    692,273.93/955,350.47 = 406,000.49/x
  3. Step 3: Cross multiply
    692,273.93x = 955,350.47 × 406,000.49
  4. Step 4: Simplify right side
    692,273.93x = 387,872,756,911.73
  5. Step 5: Solve for x
    x = 387,872,756,911.73/692,273.93
  6. Step 6: Final answer
    x = 560,287.97

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1.5x scale

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.