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Finding the Fourth Proportional to 345,089.01, 476,055.93 and 222,549.09

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Solution

The fourth proportional to 345,089.01, 476,055.93 and 222,549.09 is: 307,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,089.01 : 476,055.93 = 222,549.09 : x
  2. Step 2: Convert to fraction form
    345,089.01/476,055.93 = 222,549.09/x
  3. Step 3: Cross multiply
    345,089.01x = 476,055.93 × 222,549.09
  4. Step 4: Simplify right side
    345,089.01x = 105,945,814,010.60
  5. Step 5: Solve for x
    x = 105,945,814,010.60/345,089.01
  6. Step 6: Final answer
    x = 307,010.11

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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.