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Finding the Fourth Proportional to 894,133.85, 1,233,854.84 and 512,185.23

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Solution

The fourth proportional to 894,133.85, 1,233,854.84 and 512,185.23 is: 706,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,133.85 : 1,233,854.84 = 512,185.23 : x
  2. Step 2: Convert to fraction form
    894,133.85/1,233,854.84 = 512,185.23/x
  3. Step 3: Cross multiply
    894,133.85x = 1,233,854.84 × 512,185.23
  4. Step 4: Simplify right side
    894,133.85x = 631,962,226,292.48
  5. Step 5: Solve for x
    x = 631,962,226,292.48/894,133.85
  6. Step 6: Final answer
    x = 706,787.05

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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.