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Finding the Fourth Proportional to 695,961.51, 960,897.60 and 434,716.17

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Solution

The fourth proportional to 695,961.51, 960,897.60 and 434,716.17 is: 600,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,961.51 : 960,897.60 = 434,716.17 : x
  2. Step 2: Convert to fraction form
    695,961.51/960,897.60 = 434,716.17/x
  3. Step 3: Cross multiply
    695,961.51x = 960,897.60 × 434,716.17
  4. Step 4: Simplify right side
    695,961.51x = 417,717,724,434.19
  5. Step 5: Solve for x
    x = 417,717,724,434.19/695,961.51
  6. Step 6: Final answer
    x = 600,202.34

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Double scale
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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.