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Finding the Fourth Proportional to 577,035.36, 864,779.26 and 449,106.15

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Solution

The fourth proportional to 577,035.36, 864,779.26 and 449,106.15 is: 673,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,035.36 : 864,779.26 = 449,106.15 : x
  2. Step 2: Convert to fraction form
    577,035.36/864,779.26 = 449,106.15/x
  3. Step 3: Cross multiply
    577,035.36x = 864,779.26 × 449,106.15
  4. Step 4: Simplify right side
    577,035.36x = 388,377,684,058.45
  5. Step 5: Solve for x
    x = 388,377,684,058.45/577,035.36
  6. Step 6: Final answer
    x = 673,057.00

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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.