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Finding the Fourth Proportional to 613,687.26, 920,223.03 and 357,602.77

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Solution

The fourth proportional to 613,687.26, 920,223.03 and 357,602.77 is: 536,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,687.26 : 920,223.03 = 357,602.77 : x
  2. Step 2: Convert to fraction form
    613,687.26/920,223.03 = 357,602.77/x
  3. Step 3: Cross multiply
    613,687.26x = 920,223.03 × 357,602.77
  4. Step 4: Simplify right side
    613,687.26x = 329,074,304,545.79
  5. Step 5: Solve for x
    x = 329,074,304,545.79/613,687.26
  6. Step 6: Final answer
    x = 536,224.76

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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.