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Finding the Fourth Proportional to 576,795.61, 865,195.54 and 177,433.61

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Solution

The fourth proportional to 576,795.61, 865,195.54 and 177,433.61 is: 266,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,795.61 : 865,195.54 = 177,433.61 : x
  2. Step 2: Convert to fraction form
    576,795.61/865,195.54 = 177,433.61/x
  3. Step 3: Cross multiply
    576,795.61x = 865,195.54 × 177,433.61
  4. Step 4: Simplify right side
    576,795.61x = 153,514,769,737.50
  5. Step 5: Solve for x
    x = 153,514,769,737.50/576,795.61
  6. Step 6: Final answer
    x = 266,151.07

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1.5x scale

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.