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Finding the Fourth Proportional to 342,000.40, 513,000.60 and 336,168.40

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Solution

The fourth proportional to 342,000.40, 513,000.60 and 336,168.40 is: 504,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,000.40 : 513,000.60 = 336,168.40 : x
  2. Step 2: Convert to fraction form
    342,000.40/513,000.60 = 336,168.40/x
  3. Step 3: Cross multiply
    342,000.40x = 513,000.60 × 336,168.40
  4. Step 4: Simplify right side
    342,000.40x = 172,454,590,901.04
  5. Step 5: Solve for x
    x = 172,454,590,901.04/342,000.40
  6. Step 6: Final answer
    x = 504,252.60

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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.