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Finding the Fourth Proportional to 617,852.40, 925,106.00 and 437,195.27

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Solution

The fourth proportional to 617,852.40, 925,106.00 and 437,195.27 is: 654,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,852.40 : 925,106.00 = 437,195.27 : x
  2. Step 2: Convert to fraction form
    617,852.40/925,106.00 = 437,195.27/x
  3. Step 3: Cross multiply
    617,852.40x = 925,106.00 × 437,195.27
  4. Step 4: Simplify right side
    617,852.40x = 404,451,960,637.11
  5. Step 5: Solve for x
    x = 404,451,960,637.11/617,852.40
  6. Step 6: Final answer
    x = 654,609.35

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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.