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Finding the Fourth Proportional to 695,956.25, 960,890.34 and 434,710.90

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Solution

The fourth proportional to 695,956.25, 960,890.34 and 434,710.90 is: 600,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,956.25 : 960,890.34 = 434,710.90 : x
  2. Step 2: Convert to fraction form
    695,956.25/960,890.34 = 434,710.90/x
  3. Step 3: Cross multiply
    695,956.25x = 960,890.34 × 434,710.90
  4. Step 4: Simplify right side
    695,956.25x = 417,709,507,333.99
  5. Step 5: Solve for x
    x = 417,709,507,333.99/695,956.25
  6. Step 6: Final answer
    x = 600,195.06

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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.