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Finding the Fourth Proportional to 464,053.08, 640,165.50 and 302,833.56

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Solution

The fourth proportional to 464,053.08, 640,165.50 and 302,833.56 is: 417,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,053.08 : 640,165.50 = 302,833.56 : x
  2. Step 2: Convert to fraction form
    464,053.08/640,165.50 = 302,833.56/x
  3. Step 3: Cross multiply
    464,053.08x = 640,165.50 × 302,833.56
  4. Step 4: Simplify right side
    464,053.08x = 193,863,597,354.18
  5. Step 5: Solve for x
    x = 193,863,597,354.18/464,053.08
  6. Step 6: Final answer
    x = 417,761.69

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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.