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Finding the Fourth Proportional to 368,300.56, 551,564.70 and 249,611.80

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Solution

The fourth proportional to 368,300.56, 551,564.70 and 249,611.80 is: 373,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,300.56 : 551,564.70 = 249,611.80 : x
  2. Step 2: Convert to fraction form
    368,300.56/551,564.70 = 249,611.80/x
  3. Step 3: Cross multiply
    368,300.56x = 551,564.70 × 249,611.80
  4. Step 4: Simplify right side
    368,300.56x = 137,677,057,583.46
  5. Step 5: Solve for x
    x = 137,677,057,583.46/368,300.56
  6. Step 6: Final answer
    x = 373,817.13

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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.