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Finding the Fourth Proportional to 403,607.34, 556,992.72 and 250,729.92

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Solution

The fourth proportional to 403,607.34, 556,992.72 and 250,729.92 is: 346,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,607.34 : 556,992.72 = 250,729.92 : x
  2. Step 2: Convert to fraction form
    403,607.34/556,992.72 = 250,729.92/x
  3. Step 3: Cross multiply
    403,607.34x = 556,992.72 × 250,729.92
  4. Step 4: Simplify right side
    403,607.34x = 139,654,740,126.18
  5. Step 5: Solve for x
    x = 139,654,740,126.18/403,607.34
  6. Step 6: Final answer
    x = 346,016.35

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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.