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Finding the Fourth Proportional to 584,056.82, 806,170.74 and 342,391.70

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Solution

The fourth proportional to 584,056.82, 806,170.74 and 342,391.70 is: 472,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,056.82 : 806,170.74 = 342,391.70 : x
  2. Step 2: Convert to fraction form
    584,056.82/806,170.74 = 342,391.70/x
  3. Step 3: Cross multiply
    584,056.82x = 806,170.74 × 342,391.70
  4. Step 4: Simplify right side
    584,056.82x = 276,026,170,158.86
  5. Step 5: Solve for x
    x = 276,026,170,158.86/584,056.82
  6. Step 6: Final answer
    x = 472,601.57

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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.