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Finding the Fourth Proportional to 766,095.87, 1,147,590.72 and 355,188

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Solution

The fourth proportional to 766,095.87, 1,147,590.72 and 355,188 is: 532,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,095.87 : 1,147,590.72 = 355,188 : x
  2. Step 2: Convert to fraction form
    766,095.87/1,147,590.72 = 355,188/x
  3. Step 3: Cross multiply
    766,095.87x = 1,147,590.72 × 355,188
  4. Step 4: Simplify right side
    766,095.87x = 407,610,452,655.36
  5. Step 5: Solve for x
    x = 407,610,452,655.36/766,095.87
  6. Step 6: Final answer
    x = 532,061.94

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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.