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Finding the Fourth Proportional to 433,394.89, 650,120.86 and 113,554.59

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Solution

The fourth proportional to 433,394.89, 650,120.86 and 113,554.59 is: 170,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,394.89 : 650,120.86 = 113,554.59 : x
  2. Step 2: Convert to fraction form
    433,394.89/650,120.86 = 113,554.59/x
  3. Step 3: Cross multiply
    433,394.89x = 650,120.86 × 113,554.59
  4. Step 4: Simplify right side
    433,394.89x = 73,824,205,411.74
  5. Step 5: Solve for x
    x = 73,824,205,411.74/433,394.89
  6. Step 6: Final answer
    x = 170,339.35

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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.