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Finding the Fourth Proportional to 296,755.37, 445,577.75 and 256,897.30

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Solution

The fourth proportional to 296,755.37, 445,577.75 and 256,897.30 is: 385,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,755.37 : 445,577.75 = 256,897.30 : x
  2. Step 2: Convert to fraction form
    296,755.37/445,577.75 = 256,897.30/x
  3. Step 3: Cross multiply
    296,755.37x = 445,577.75 × 256,897.30
  4. Step 4: Simplify right side
    296,755.37x = 114,467,720,915.08
  5. Step 5: Solve for x
    x = 114,467,720,915.08/296,755.37
  6. Step 6: Final answer
    x = 385,730.92

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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.