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Finding the Fourth Proportional to 894,102.83, 1,233,894.36 and 512,203.42

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Solution

The fourth proportional to 894,102.83, 1,233,894.36 and 512,203.42 is: 706,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,102.83 : 1,233,894.36 = 512,203.42 : x
  2. Step 2: Convert to fraction form
    894,102.83/1,233,894.36 = 512,203.42/x
  3. Step 3: Cross multiply
    894,102.83x = 1,233,894.36 × 512,203.42
  4. Step 4: Simplify right side
    894,102.83x = 632,004,911,110.71
  5. Step 5: Solve for x
    x = 632,004,911,110.71/894,102.83
  6. Step 6: Final answer
    x = 706,859.31

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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.