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Finding the Fourth Proportional to 555,601.99, 766,731.81 and 300,953.38

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Solution

The fourth proportional to 555,601.99, 766,731.81 and 300,953.38 is: 415,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,601.99 : 766,731.81 = 300,953.38 : x
  2. Step 2: Convert to fraction form
    555,601.99/766,731.81 = 300,953.38/x
  3. Step 3: Cross multiply
    555,601.99x = 766,731.81 × 300,953.38
  4. Step 4: Simplify right side
    555,601.99x = 230,750,529,773.02
  5. Step 5: Solve for x
    x = 230,750,529,773.02/555,601.99
  6. Step 6: Final answer
    x = 415,316.24

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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.