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Finding the Fourth Proportional to 342,007.70, 479,598.10 and 342,007.70

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Solution

The fourth proportional to 342,007.70, 479,598.10 and 342,007.70 is: 479,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,007.70 : 479,598.10 = 342,007.70 : x
  2. Step 2: Convert to fraction form
    342,007.70/479,598.10 = 342,007.70/x
  3. Step 3: Cross multiply
    342,007.70x = 479,598.10 × 342,007.70
  4. Step 4: Simplify right side
    342,007.70x = 164,026,243,105.37
  5. Step 5: Solve for x
    x = 164,026,243,105.37/342,007.70
  6. Step 6: Final answer
    x = 479,598.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.