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Finding the Fourth Proportional to 333,645.55, 500,364.82 and 120,385.71

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Solution

The fourth proportional to 333,645.55, 500,364.82 and 120,385.71 is: 180,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,645.55 : 500,364.82 = 120,385.71 : x
  2. Step 2: Convert to fraction form
    333,645.55/500,364.82 = 120,385.71/x
  3. Step 3: Cross multiply
    333,645.55x = 500,364.82 × 120,385.71
  4. Step 4: Simplify right side
    333,645.55x = 60,236,774,114.72
  5. Step 5: Solve for x
    x = 60,236,774,114.72/333,645.55
  6. Step 6: Final answer
    x = 180,541.22

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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.