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Finding the Fourth Proportional to 599,775.13, 899,649.65 and 194,980.40

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Solution

The fourth proportional to 599,775.13, 899,649.65 and 194,980.40 is: 292,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,775.13 : 899,649.65 = 194,980.40 : x
  2. Step 2: Convert to fraction form
    599,775.13/899,649.65 = 194,980.40/x
  3. Step 3: Cross multiply
    599,775.13x = 899,649.65 × 194,980.40
  4. Step 4: Simplify right side
    599,775.13x = 175,414,047,979.75
  5. Step 5: Solve for x
    x = 175,414,047,979.75/599,775.13
  6. Step 6: Final answer
    x = 292,466.36

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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.