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Finding the Fourth Proportional to 222,458.59, 333,720.42 and 64,666.54

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Solution

The fourth proportional to 222,458.59, 333,720.42 and 64,666.54 is: 97,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,458.59 : 333,720.42 = 64,666.54 : x
  2. Step 2: Convert to fraction form
    222,458.59/333,720.42 = 64,666.54/x
  3. Step 3: Cross multiply
    222,458.59x = 333,720.42 × 64,666.54
  4. Step 4: Simplify right side
    222,458.59x = 21,580,544,888.75
  5. Step 5: Solve for x
    x = 21,580,544,888.75/222,458.59
  6. Step 6: Final answer
    x = 97,009.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.