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Finding the Fourth Proportional to 368,289.56, 551,548.20 and 249,600.80

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Solution

The fourth proportional to 368,289.56, 551,548.20 and 249,600.80 is: 373,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,289.56 : 551,548.20 = 249,600.80 : x
  2. Step 2: Convert to fraction form
    368,289.56/551,548.20 = 249,600.80/x
  3. Step 3: Cross multiply
    368,289.56x = 551,548.20 × 249,600.80
  4. Step 4: Simplify right side
    368,289.56x = 137,666,871,958.56
  5. Step 5: Solve for x
    x = 137,666,871,958.56/368,289.56
  6. Step 6: Final answer
    x = 373,800.64

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1.5x scale

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.