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Finding the Fourth Proportional to 664,296.44, 916,319.94 and 473,371.52

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Solution

The fourth proportional to 664,296.44, 916,319.94 and 473,371.52 is: 652,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,296.44 : 916,319.94 = 473,371.52 : x
  2. Step 2: Convert to fraction form
    664,296.44/916,319.94 = 473,371.52/x
  3. Step 3: Cross multiply
    664,296.44x = 916,319.94 × 473,371.52
  4. Step 4: Simplify right side
    664,296.44x = 433,759,762,804.11
  5. Step 5: Solve for x
    x = 433,759,762,804.11/664,296.44
  6. Step 6: Final answer
    x = 652,961.14

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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.