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Finding the Fourth Proportional to 692,997.93, 956,352.83 and 406,724.49

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Solution

The fourth proportional to 692,997.93, 956,352.83 and 406,724.49 is: 561,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,997.93 : 956,352.83 = 406,724.49 : x
  2. Step 2: Convert to fraction form
    692,997.93/956,352.83 = 406,724.49/x
  3. Step 3: Cross multiply
    692,997.93x = 956,352.83 × 406,724.49
  4. Step 4: Simplify right side
    692,997.93x = 388,972,115,008.18
  5. Step 5: Solve for x
    x = 388,972,115,008.18/692,997.93
  6. Step 6: Final answer
    x = 561,289.00

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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.