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Finding the Fourth Proportional to 700,634.88, 963,304.92 and 623,408.40

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Solution

The fourth proportional to 700,634.88, 963,304.92 and 623,408.40 is: 857,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,634.88 : 963,304.92 = 623,408.40 : x
  2. Step 2: Convert to fraction form
    700,634.88/963,304.92 = 623,408.40/x
  3. Step 3: Cross multiply
    700,634.88x = 963,304.92 × 623,408.40
  4. Step 4: Simplify right side
    700,634.88x = 600,532,378,889.33
  5. Step 5: Solve for x
    x = 600,532,378,889.33/700,634.88
  6. Step 6: Final answer
    x = 857,126.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.