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Finding the Fourth Proportional to 662,407.60, 993,611.40 and 241,628.80

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Solution

The fourth proportional to 662,407.60, 993,611.40 and 241,628.80 is: 362,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,407.60 : 993,611.40 = 241,628.80 : x
  2. Step 2: Convert to fraction form
    662,407.60/993,611.40 = 241,628.80/x
  3. Step 3: Cross multiply
    662,407.60x = 993,611.40 × 241,628.80
  4. Step 4: Simplify right side
    662,407.60x = 240,085,130,248.32
  5. Step 5: Solve for x
    x = 240,085,130,248.32/662,407.60
  6. Step 6: Final answer
    x = 362,443.20

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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.