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Finding the Fourth Proportional to 574,280.37, 859,256.22 and 342,612.69

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Solution

The fourth proportional to 574,280.37, 859,256.22 and 342,612.69 is: 512,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,280.37 : 859,256.22 = 342,612.69 : x
  2. Step 2: Convert to fraction form
    574,280.37/859,256.22 = 342,612.69/x
  3. Step 3: Cross multiply
    574,280.37x = 859,256.22 × 342,612.69
  4. Step 4: Simplify right side
    574,280.37x = 294,392,084,933.43
  5. Step 5: Solve for x
    x = 294,392,084,933.43/574,280.37
  6. Step 6: Final answer
    x = 512,627.80

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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.