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Finding the Fourth Proportional to 695,755.36, 960,602.88 and 534,320.68

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Solution

The fourth proportional to 695,755.36, 960,602.88 and 534,320.68 is: 737,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,755.36 : 960,602.88 = 534,320.68 : x
  2. Step 2: Convert to fraction form
    695,755.36/960,602.88 = 534,320.68/x
  3. Step 3: Cross multiply
    695,755.36x = 960,602.88 × 534,320.68
  4. Step 4: Simplify right side
    695,755.36x = 513,269,984,051.56
  5. Step 5: Solve for x
    x = 513,269,984,051.56/695,755.36
  6. Step 6: Final answer
    x = 737,716.18

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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.