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Finding the Fourth Proportional to 384,029.40, 576,044.10 and 362,256.60

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Solution

The fourth proportional to 384,029.40, 576,044.10 and 362,256.60 is: 543,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,029.40 : 576,044.10 = 362,256.60 : x
  2. Step 2: Convert to fraction form
    384,029.40/576,044.10 = 362,256.60/x
  3. Step 3: Cross multiply
    384,029.40x = 576,044.10 × 362,256.60
  4. Step 4: Simplify right side
    384,029.40x = 208,675,777,116.06
  5. Step 5: Solve for x
    x = 208,675,777,116.06/384,029.40
  6. Step 6: Final answer
    x = 543,384.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.