Home / 382,301.50-527,576.70-212,535.63

Finding the Fourth Proportional to 382,301.50, 527,576.70 and 212,535.63

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Solution

The fourth proportional to 382,301.50, 527,576.70 and 212,535.63 is: 293,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,301.50 : 527,576.70 = 212,535.63 : x
  2. Step 2: Convert to fraction form
    382,301.50/527,576.70 = 212,535.63/x
  3. Step 3: Cross multiply
    382,301.50x = 527,576.70 × 212,535.63
  4. Step 4: Simplify right side
    382,301.50x = 112,128,846,307.82
  5. Step 5: Solve for x
    x = 112,128,846,307.82/382,301.50
  6. Step 6: Final answer
    x = 293,299.52

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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.