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Finding the Fourth Proportional to 965,616.60, 1,448,597.70 and 404,707.80

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Solution

The fourth proportional to 965,616.60, 1,448,597.70 and 404,707.80 is: 607,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,616.60 : 1,448,597.70 = 404,707.80 : x
  2. Step 2: Convert to fraction form
    965,616.60/1,448,597.70 = 404,707.80/x
  3. Step 3: Cross multiply
    965,616.60x = 1,448,597.70 × 404,707.80
  4. Step 4: Simplify right side
    965,616.60x = 586,258,788,252.06
  5. Step 5: Solve for x
    x = 586,258,788,252.06/965,616.60
  6. Step 6: Final answer
    x = 607,134.12

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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.