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Finding the Fourth Proportional to 695,782.51, 960,764.90 and 523,401.65

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Solution

The fourth proportional to 695,782.51, 960,764.90 and 523,401.65 is: 722,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,782.51 : 960,764.90 = 523,401.65 : x
  2. Step 2: Convert to fraction form
    695,782.51/960,764.90 = 523,401.65/x
  3. Step 3: Cross multiply
    695,782.51x = 960,764.90 × 523,401.65
  4. Step 4: Simplify right side
    695,782.51x = 502,865,930,104.12
  5. Step 5: Solve for x
    x = 502,865,930,104.12/695,782.51
  6. Step 6: Final answer
    x = 722,734.37

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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.