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Finding the Fourth Proportional to 533,166.72, 735,293.46 and 442,378.92

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Solution

The fourth proportional to 533,166.72, 735,293.46 and 442,378.92 is: 610,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,166.72 : 735,293.46 = 442,378.92 : x
  2. Step 2: Convert to fraction form
    533,166.72/735,293.46 = 442,378.92/x
  3. Step 3: Cross multiply
    533,166.72x = 735,293.46 × 442,378.92
  4. Step 4: Simplify right side
    533,166.72x = 325,278,326,717.86
  5. Step 5: Solve for x
    x = 325,278,326,717.86/533,166.72
  6. Step 6: Final answer
    x = 610,087.45

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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.