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Finding the Fourth Proportional to 652,092.40, 978,624.60 and 336,386.80

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Solution

The fourth proportional to 652,092.40, 978,624.60 and 336,386.80 is: 504,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,092.40 : 978,624.60 = 336,386.80 : x
  2. Step 2: Convert to fraction form
    652,092.40/978,624.60 = 336,386.80/x
  3. Step 3: Cross multiply
    652,092.40x = 978,624.60 × 336,386.80
  4. Step 4: Simplify right side
    652,092.40x = 329,196,397,595.28
  5. Step 5: Solve for x
    x = 329,196,397,595.28/652,092.40
  6. Step 6: Final answer
    x = 504,830.91

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