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Finding the Fourth Proportional to 565,201.78, 779,444.04 and 371,267.32

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Solution

The fourth proportional to 565,201.78, 779,444.04 and 371,267.32 is: 511,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,201.78 : 779,444.04 = 371,267.32 : x
  2. Step 2: Convert to fraction form
    565,201.78/779,444.04 = 371,267.32/x
  3. Step 3: Cross multiply
    565,201.78x = 779,444.04 × 371,267.32
  4. Step 4: Simplify right side
    565,201.78x = 289,382,099,820.77
  5. Step 5: Solve for x
    x = 289,382,099,820.77/565,201.78
  6. Step 6: Final answer
    x = 511,997.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.