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Finding the Fourth Proportional to 601,139.48, 901,371.38 and 411,813.32

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Solution

The fourth proportional to 601,139.48, 901,371.38 and 411,813.32 is: 617,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,139.48 : 901,371.38 = 411,813.32 : x
  2. Step 2: Convert to fraction form
    601,139.48/901,371.38 = 411,813.32/x
  3. Step 3: Cross multiply
    601,139.48x = 901,371.38 × 411,813.32
  4. Step 4: Simplify right side
    601,139.48x = 371,196,740,550.78
  5. Step 5: Solve for x
    x = 371,196,740,550.78/601,139.48
  6. Step 6: Final answer
    x = 617,488.54

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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.