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Finding the Fourth Proportional to 375,159, 517,248.18 and 298,497.36

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Solution

The fourth proportional to 375,159, 517,248.18 and 298,497.36 is: 411,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,159 : 517,248.18 = 298,497.36 : x
  2. Step 2: Convert to fraction form
    375,159/517,248.18 = 298,497.36/x
  3. Step 3: Cross multiply
    375,159x = 517,248.18 × 298,497.36
  4. Step 4: Simplify right side
    375,159x = 154,397,216,194.81
  5. Step 5: Solve for x
    x = 154,397,216,194.81/375,159
  6. Step 6: Final answer
    x = 411,551.41

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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.