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Finding the Fourth Proportional to 508,042.77, 700,939.49 and 293,154.63

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Solution

The fourth proportional to 508,042.77, 700,939.49 and 293,154.63 is: 404,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,042.77 : 700,939.49 = 293,154.63 : x
  2. Step 2: Convert to fraction form
    508,042.77/700,939.49 = 293,154.63/x
  3. Step 3: Cross multiply
    508,042.77x = 700,939.49 × 293,154.63
  4. Step 4: Simplify right side
    508,042.77x = 205,483,655,377.57
  5. Step 5: Solve for x
    x = 205,483,655,377.57/508,042.77
  6. Step 6: Final answer
    x = 404,461.33

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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.