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Finding the Fourth Proportional to 505,262.04, 695,491.82 and 440,617.23

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Solution

The fourth proportional to 505,262.04, 695,491.82 and 440,617.23 is: 606,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,262.04 : 695,491.82 = 440,617.23 : x
  2. Step 2: Convert to fraction form
    505,262.04/695,491.82 = 440,617.23/x
  3. Step 3: Cross multiply
    505,262.04x = 695,491.82 × 440,617.23
  4. Step 4: Simplify right side
    505,262.04x = 306,445,674,404.88
  5. Step 5: Solve for x
    x = 306,445,674,404.88/505,262.04
  6. Step 6: Final answer
    x = 606,508.41

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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.