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Finding the Fourth Proportional to 339,004.66, 467,815.88 and 186,038.91

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Solution

The fourth proportional to 339,004.66, 467,815.88 and 186,038.91 is: 256,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,004.66 : 467,815.88 = 186,038.91 : x
  2. Step 2: Convert to fraction form
    339,004.66/467,815.88 = 186,038.91/x
  3. Step 3: Cross multiply
    339,004.66x = 467,815.88 × 186,038.91
  4. Step 4: Simplify right side
    339,004.66x = 87,031,956,395.89
  5. Step 5: Solve for x
    x = 87,031,956,395.89/339,004.66
  6. Step 6: Final answer
    x = 256,727.91

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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.