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Finding the Fourth Proportional to 700,883.01, 967,218.75 and 378,593.32

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Solution

The fourth proportional to 700,883.01, 967,218.75 and 378,593.32 is: 522,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,883.01 : 967,218.75 = 378,593.32 : x
  2. Step 2: Convert to fraction form
    700,883.01/967,218.75 = 378,593.32/x
  3. Step 3: Cross multiply
    700,883.01x = 967,218.75 × 378,593.32
  4. Step 4: Simplify right side
    700,883.01x = 366,182,557,728.75
  5. Step 5: Solve for x
    x = 366,182,557,728.75/700,883.01
  6. Step 6: Final answer
    x = 522,458.89

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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.