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Finding the Fourth Proportional to 576,737.09, 790,116.69 and 555,173.90

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Solution

The fourth proportional to 576,737.09, 790,116.69 and 555,173.90 is: 760,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,737.09 : 790,116.69 = 555,173.90 : x
  2. Step 2: Convert to fraction form
    576,737.09/790,116.69 = 555,173.90/x
  3. Step 3: Cross multiply
    576,737.09x = 790,116.69 × 555,173.90
  4. Step 4: Simplify right side
    576,737.09x = 438,652,161,466.52
  5. Step 5: Solve for x
    x = 438,652,161,466.52/576,737.09
  6. Step 6: Final answer
    x = 760,575.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.