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Finding the Fourth Proportional to 884,222.79, 1,325,224.87 and 378,189.87

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Solution

The fourth proportional to 884,222.79, 1,325,224.87 and 378,189.87 is: 566,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,222.79 : 1,325,224.87 = 378,189.87 : x
  2. Step 2: Convert to fraction form
    884,222.79/1,325,224.87 = 378,189.87/x
  3. Step 3: Cross multiply
    884,222.79x = 1,325,224.87 × 378,189.87
  4. Step 4: Simplify right side
    884,222.79x = 501,186,621,306.07
  5. Step 5: Solve for x
    x = 501,186,621,306.07/884,222.79
  6. Step 6: Final answer
    x = 566,810.34

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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.