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Finding the Fourth Proportional to 406,365.96, 560,778.85 and 222,603.06

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Solution

The fourth proportional to 406,365.96, 560,778.85 and 222,603.06 is: 307,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,365.96 : 560,778.85 = 222,603.06 : x
  2. Step 2: Convert to fraction form
    406,365.96/560,778.85 = 222,603.06/x
  3. Step 3: Cross multiply
    406,365.96x = 560,778.85 × 222,603.06
  4. Step 4: Simplify right side
    406,365.96x = 124,831,087,993.28
  5. Step 5: Solve for x
    x = 124,831,087,993.28/406,365.96
  6. Step 6: Final answer
    x = 307,188.84

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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.