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Finding the Fourth Proportional to 377,614.40, 566,421.60 and 311,259.20

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Solution

The fourth proportional to 377,614.40, 566,421.60 and 311,259.20 is: 466,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,614.40 : 566,421.60 = 311,259.20 : x
  2. Step 2: Convert to fraction form
    377,614.40/566,421.60 = 311,259.20/x
  3. Step 3: Cross multiply
    377,614.40x = 566,421.60 × 311,259.20
  4. Step 4: Simplify right side
    377,614.40x = 176,303,934,078.72
  5. Step 5: Solve for x
    x = 176,303,934,078.72/377,614.40
  6. Step 6: Final answer
    x = 466,888.80

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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.