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Finding the Fourth Proportional to 576,745.06, 790,127.54 and 555,181.82

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Solution

The fourth proportional to 576,745.06, 790,127.54 and 555,181.82 is: 760,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,745.06 : 790,127.54 = 555,181.82 : x
  2. Step 2: Convert to fraction form
    576,745.06/790,127.54 = 555,181.82/x
  3. Step 3: Cross multiply
    576,745.06x = 790,127.54 × 555,181.82
  4. Step 4: Simplify right side
    576,745.06x = 438,664,445,689.32
  5. Step 5: Solve for x
    x = 438,664,445,689.32/576,745.06
  6. Step 6: Final answer
    x = 760,586.39

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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.