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Finding the Fourth Proportional to 577,092.70, 865,639.05 and 364,516.30

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Solution

The fourth proportional to 577,092.70, 865,639.05 and 364,516.30 is: 546,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,092.70 : 865,639.05 = 364,516.30 : x
  2. Step 2: Convert to fraction form
    577,092.70/865,639.05 = 364,516.30/x
  3. Step 3: Cross multiply
    577,092.70x = 865,639.05 × 364,516.30
  4. Step 4: Simplify right side
    577,092.70x = 315,539,543,641.52
  5. Step 5: Solve for x
    x = 315,539,543,641.52/577,092.70
  6. Step 6: Final answer
    x = 546,774.45

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Similar ratio
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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.