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Finding the Fourth Proportional to 508,129.53, 701,018.73 and 293,228.07

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Solution

The fourth proportional to 508,129.53, 701,018.73 and 293,228.07 is: 404,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,129.53 : 701,018.73 = 293,228.07 : x
  2. Step 2: Convert to fraction form
    508,129.53/701,018.73 = 293,228.07/x
  3. Step 3: Cross multiply
    508,129.53x = 701,018.73 × 293,228.07
  4. Step 4: Simplify right side
    508,129.53x = 205,558,369,231.75
  5. Step 5: Solve for x
    x = 205,558,369,231.75/508,129.53
  6. Step 6: Final answer
    x = 404,539.31

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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.