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Finding the Fourth Proportional to 533,378.42, 735,715.41 and 342,088.82

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Solution

The fourth proportional to 533,378.42, 735,715.41 and 342,088.82 is: 471,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,378.42 : 735,715.41 = 342,088.82 : x
  2. Step 2: Convert to fraction form
    533,378.42/735,715.41 = 342,088.82/x
  3. Step 3: Cross multiply
    533,378.42x = 735,715.41 × 342,088.82
  4. Step 4: Simplify right side
    533,378.42x = 251,680,016,462.72
  5. Step 5: Solve for x
    x = 251,680,016,462.72/533,378.42
  6. Step 6: Final answer
    x = 471,860.14

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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.