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Finding the Fourth Proportional to 599,106.88, 899,106.64 and 439,595.01

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Solution

The fourth proportional to 599,106.88, 899,106.64 and 439,595.01 is: 659,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,106.88 : 899,106.64 = 439,595.01 : x
  2. Step 2: Convert to fraction form
    599,106.88/899,106.64 = 439,595.01/x
  3. Step 3: Cross multiply
    599,106.88x = 899,106.64 × 439,595.01
  4. Step 4: Simplify right side
    599,106.88x = 395,242,792,401.87
  5. Step 5: Solve for x
    x = 395,242,792,401.87/599,106.88
  6. Step 6: Final answer
    x = 659,720.00

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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.