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Finding the Fourth Proportional to 364,195.98, 502,411.82 and 243,366.93

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Solution

The fourth proportional to 364,195.98, 502,411.82 and 243,366.93 is: 335,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,195.98 : 502,411.82 = 243,366.93 : x
  2. Step 2: Convert to fraction form
    364,195.98/502,411.82 = 243,366.93/x
  3. Step 3: Cross multiply
    364,195.98x = 502,411.82 × 243,366.93
  4. Step 4: Simplify right side
    364,195.98x = 122,270,421,012.28
  5. Step 5: Solve for x
    x = 122,270,421,012.28/364,195.98
  6. Step 6: Final answer
    x = 335,726.99

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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.