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Finding the Fourth Proportional to 449,280.50, 619,501.64 and 367,353.14

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Solution

The fourth proportional to 449,280.50, 619,501.64 and 367,353.14 is: 506,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,280.50 : 619,501.64 = 367,353.14 : x
  2. Step 2: Convert to fraction form
    449,280.50/619,501.64 = 367,353.14/x
  3. Step 3: Cross multiply
    449,280.50x = 619,501.64 × 367,353.14
  4. Step 4: Simplify right side
    449,280.50x = 227,575,872,689.15
  5. Step 5: Solve for x
    x = 227,575,872,689.15/449,280.50
  6. Step 6: Final answer
    x = 506,534.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.