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Finding the Fourth Proportional to 448,266.60, 618,607.80 and 247,062.60

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Solution

The fourth proportional to 448,266.60, 618,607.80 and 247,062.60 is: 340,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,266.60 : 618,607.80 = 247,062.60 : x
  2. Step 2: Convert to fraction form
    448,266.60/618,607.80 = 247,062.60/x
  3. Step 3: Cross multiply
    448,266.60x = 618,607.80 × 247,062.60
  4. Step 4: Simplify right side
    448,266.60x = 152,834,851,448.28
  5. Step 5: Solve for x
    x = 152,834,851,448.28/448,266.60
  6. Step 6: Final answer
    x = 340,946.33

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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.