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Finding the Fourth Proportional to 332,875.60, 459,364.88 and 189,638.72

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Solution

The fourth proportional to 332,875.60, 459,364.88 and 189,638.72 is: 261,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,875.60 : 459,364.88 = 189,638.72 : x
  2. Step 2: Convert to fraction form
    332,875.60/459,364.88 = 189,638.72/x
  3. Step 3: Cross multiply
    332,875.60x = 459,364.88 × 189,638.72
  4. Step 4: Simplify right side
    332,875.60x = 87,113,368,022.72
  5. Step 5: Solve for x
    x = 87,113,368,022.72/332,875.60
  6. Step 6: Final answer
    x = 261,699.47

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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.