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Finding the Fourth Proportional to 342,059.54, 472,038.93 and 189,101.66

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Solution

The fourth proportional to 342,059.54, 472,038.93 and 189,101.66 is: 260,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,059.54 : 472,038.93 = 189,101.66 : x
  2. Step 2: Convert to fraction form
    342,059.54/472,038.93 = 189,101.66/x
  3. Step 3: Cross multiply
    342,059.54x = 472,038.93 × 189,101.66
  4. Step 4: Simplify right side
    342,059.54x = 89,263,342,887.43
  5. Step 5: Solve for x
    x = 89,263,342,887.43/342,059.54
  6. Step 6: Final answer
    x = 260,958.50

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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.