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Finding the Fourth Proportional to 464,576.02, 641,389.74 and 292,641.38

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Solution

The fourth proportional to 464,576.02, 641,389.74 and 292,641.38 is: 404,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,576.02 : 641,389.74 = 292,641.38 : x
  2. Step 2: Convert to fraction form
    464,576.02/641,389.74 = 292,641.38/x
  3. Step 3: Cross multiply
    464,576.02x = 641,389.74 × 292,641.38
  4. Step 4: Simplify right side
    464,576.02x = 187,697,178,631.44
  5. Step 5: Solve for x
    x = 187,697,178,631.44/464,576.02
  6. Step 6: Final answer
    x = 404,018.22

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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.