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Finding the Fourth Proportional to 406,319.96, 560,706.06 and 222,555.60

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Solution

The fourth proportional to 406,319.96, 560,706.06 and 222,555.60 is: 307,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,319.96 : 560,706.06 = 222,555.60 : x
  2. Step 2: Convert to fraction form
    406,319.96/560,706.06 = 222,555.60/x
  3. Step 3: Cross multiply
    406,319.96x = 560,706.06 × 222,555.60
  4. Step 4: Simplify right side
    406,319.96x = 124,788,273,606.94
  5. Step 5: Solve for x
    x = 124,788,273,606.94/406,319.96
  6. Step 6: Final answer
    x = 307,118.25

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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.