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Finding the Fourth Proportional to 375,686.93, 518,501.13 and 232,493.11

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Solution

The fourth proportional to 375,686.93, 518,501.13 and 232,493.11 is: 320,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,686.93 : 518,501.13 = 232,493.11 : x
  2. Step 2: Convert to fraction form
    375,686.93/518,501.13 = 232,493.11/x
  3. Step 3: Cross multiply
    375,686.93x = 518,501.13 × 232,493.11
  4. Step 4: Simplify right side
    375,686.93x = 120,547,940,252.21
  5. Step 5: Solve for x
    x = 120,547,940,252.21/375,686.93
  6. Step 6: Final answer
    x = 320,873.39

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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.