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Finding the Fourth Proportional to 700,884.01, 967,220.13 and 378,594.32

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Solution

The fourth proportional to 700,884.01, 967,220.13 and 378,594.32 is: 522,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,884.01 : 967,220.13 = 378,594.32 : x
  2. Step 2: Convert to fraction form
    700,884.01/967,220.13 = 378,594.32/x
  3. Step 3: Cross multiply
    700,884.01x = 967,220.13 × 378,594.32
  4. Step 4: Simplify right side
    700,884.01x = 366,184,047,407.66
  5. Step 5: Solve for x
    x = 366,184,047,407.66/700,884.01
  6. Step 6: Final answer
    x = 522,460.27

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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.