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Finding the Fourth Proportional to 296,755.25, 445,577.58 and 256,897.17

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Solution

The fourth proportional to 296,755.25, 445,577.58 and 256,897.17 is: 385,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,755.25 : 445,577.58 = 256,897.17 : x
  2. Step 2: Convert to fraction form
    296,755.25/445,577.58 = 256,897.17/x
  3. Step 3: Cross multiply
    296,755.25x = 445,577.58 × 256,897.17
  4. Step 4: Simplify right side
    296,755.25x = 114,467,619,317.45
  5. Step 5: Solve for x
    x = 114,467,619,317.45/296,755.25
  6. Step 6: Final answer
    x = 385,730.74

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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.