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Finding the Fourth Proportional to 508,043.52, 700,940.52 and 293,155.38

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Solution

The fourth proportional to 508,043.52, 700,940.52 and 293,155.38 is: 404,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,043.52 : 700,940.52 = 293,155.38 : x
  2. Step 2: Convert to fraction form
    508,043.52/700,940.52 = 293,155.38/x
  3. Step 3: Cross multiply
    508,043.52x = 700,940.52 × 293,155.38
  4. Step 4: Simplify right side
    508,043.52x = 205,484,484,498.00
  5. Step 5: Solve for x
    x = 205,484,484,498.00/508,043.52
  6. Step 6: Final answer
    x = 404,462.37

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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.