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Finding the Fourth Proportional to 672,207.25, 927,690.96 and 370,401.25

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Solution

The fourth proportional to 672,207.25, 927,690.96 and 370,401.25 is: 511,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,207.25 : 927,690.96 = 370,401.25 : x
  2. Step 2: Convert to fraction form
    672,207.25/927,690.96 = 370,401.25/x
  3. Step 3: Cross multiply
    672,207.25x = 927,690.96 × 370,401.25
  4. Step 4: Simplify right side
    672,207.25x = 343,617,891,197.70
  5. Step 5: Solve for x
    x = 343,617,891,197.70/672,207.25
  6. Step 6: Final answer
    x = 511,178.50

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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.