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Finding the Fourth Proportional to 367,340.40, 551,010.60 and 308,291.40

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Solution

The fourth proportional to 367,340.40, 551,010.60 and 308,291.40 is: 462,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,340.40 : 551,010.60 = 308,291.40 : x
  2. Step 2: Convert to fraction form
    367,340.40/551,010.60 = 308,291.40/x
  3. Step 3: Cross multiply
    367,340.40x = 551,010.60 × 308,291.40
  4. Step 4: Simplify right side
    367,340.40x = 169,871,829,288.84
  5. Step 5: Solve for x
    x = 169,871,829,288.84/367,340.40
  6. Step 6: Final answer
    x = 462,437.10

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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.