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Finding the Fourth Proportional to 339,576.48, 468,420.33 and 212,030.64

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Solution

The fourth proportional to 339,576.48, 468,420.33 and 212,030.64 is: 292,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,576.48 : 468,420.33 = 212,030.64 : x
  2. Step 2: Convert to fraction form
    339,576.48/468,420.33 = 212,030.64/x
  3. Step 3: Cross multiply
    339,576.48x = 468,420.33 × 212,030.64
  4. Step 4: Simplify right side
    339,576.48x = 99,319,462,358.91
  5. Step 5: Solve for x
    x = 99,319,462,358.91/339,576.48
  6. Step 6: Final answer
    x = 292,480.39

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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.