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Finding the Fourth Proportional to 1,044,137.30, 1,566,205.95 and 981,929.30

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Solution

The fourth proportional to 1,044,137.30, 1,566,205.95 and 981,929.30 is: 1,472,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,137.30 : 1,566,205.95 = 981,929.30 : x
  2. Step 2: Convert to fraction form
    1,044,137.30/1,566,205.95 = 981,929.30/x
  3. Step 3: Cross multiply
    1,044,137.30x = 1,566,205.95 × 981,929.30
  4. Step 4: Simplify right side
    1,044,137.30x = 1,537,903,512,139.34
  5. Step 5: Solve for x
    x = 1,537,903,512,139.34/1,044,137.30
  6. Step 6: Final answer
    x = 1,472,893.95

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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.