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Finding the Fourth Proportional to 288,153.78, 397,602.27 and 167,267.94

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Solution

The fourth proportional to 288,153.78, 397,602.27 and 167,267.94 is: 230,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,153.78 : 397,602.27 = 167,267.94 : x
  2. Step 2: Convert to fraction form
    288,153.78/397,602.27 = 167,267.94/x
  3. Step 3: Cross multiply
    288,153.78x = 397,602.27 × 167,267.94
  4. Step 4: Simplify right side
    288,153.78x = 66,506,112,642.22
  5. Step 5: Solve for x
    x = 66,506,112,642.22/288,153.78
  6. Step 6: Final answer
    x = 230,800.76

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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.