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Finding the Fourth Proportional to 364,195.61, 502,411.30 and 243,366.56

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Solution

The fourth proportional to 364,195.61, 502,411.30 and 243,366.56 is: 335,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,195.61 : 502,411.30 = 243,366.56 : x
  2. Step 2: Convert to fraction form
    364,195.61/502,411.30 = 243,366.56/x
  3. Step 3: Cross multiply
    364,195.61x = 502,411.30 × 243,366.56
  4. Step 4: Simplify right side
    364,195.61x = 122,270,106,665.66
  5. Step 5: Solve for x
    x = 122,270,106,665.66/364,195.61
  6. Step 6: Final answer
    x = 335,726.47

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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.