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Finding the Fourth Proportional to 703,656.72, 1,055,614.86 and 230,368.32

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Solution

The fourth proportional to 703,656.72, 1,055,614.86 and 230,368.32 is: 345,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,656.72 : 1,055,614.86 = 230,368.32 : x
  2. Step 2: Convert to fraction form
    703,656.72/1,055,614.86 = 230,368.32/x
  3. Step 3: Cross multiply
    703,656.72x = 1,055,614.86 × 230,368.32
  4. Step 4: Simplify right side
    703,656.72x = 243,180,221,865.24
  5. Step 5: Solve for x
    x = 243,180,221,865.24/703,656.72
  6. Step 6: Final answer
    x = 345,594.97

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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.