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Finding the Fourth Proportional to 253,732.67, 379,547.16 and 193,303.92

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Solution

The fourth proportional to 253,732.67, 379,547.16 and 193,303.92 is: 289,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,732.67 : 379,547.16 = 193,303.92 : x
  2. Step 2: Convert to fraction form
    253,732.67/379,547.16 = 193,303.92/x
  3. Step 3: Cross multiply
    253,732.67x = 379,547.16 × 193,303.92
  4. Step 4: Simplify right side
    253,732.67x = 73,367,953,852.87
  5. Step 5: Solve for x
    x = 73,367,953,852.87/253,732.67
  6. Step 6: Final answer
    x = 289,154.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.