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Finding the Fourth Proportional to 508,458.92, 701,681.49 and 293,617.76

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Solution

The fourth proportional to 508,458.92, 701,681.49 and 293,617.76 is: 405,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,458.92 : 701,681.49 = 293,617.76 : x
  2. Step 2: Convert to fraction form
    508,458.92/701,681.49 = 293,617.76/x
  3. Step 3: Cross multiply
    508,458.92x = 701,681.49 × 293,617.76
  4. Step 4: Simplify right side
    508,458.92x = 206,026,143,818.86
  5. Step 5: Solve for x
    x = 206,026,143,818.86/508,458.92
  6. Step 6: Final answer
    x = 405,197.23

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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.