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Finding the Fourth Proportional to 262,347.78, 362,059.74 and 160,392.54

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Solution

The fourth proportional to 262,347.78, 362,059.74 and 160,392.54 is: 221,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,347.78 : 362,059.74 = 160,392.54 : x
  2. Step 2: Convert to fraction form
    262,347.78/362,059.74 = 160,392.54/x
  3. Step 3: Cross multiply
    262,347.78x = 362,059.74 × 160,392.54
  4. Step 4: Simplify right side
    262,347.78x = 58,071,681,330.34
  5. Step 5: Solve for x
    x = 58,071,681,330.34/262,347.78
  6. Step 6: Final answer
    x = 221,353.81

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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.