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Finding the Fourth Proportional to 599,470.40, 899,061.60 and 346,203.20

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Solution

The fourth proportional to 599,470.40, 899,061.60 and 346,203.20 is: 519,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,470.40 : 899,061.60 = 346,203.20 : x
  2. Step 2: Convert to fraction form
    599,470.40/899,061.60 = 346,203.20/x
  3. Step 3: Cross multiply
    599,470.40x = 899,061.60 × 346,203.20
  4. Step 4: Simplify right side
    599,470.40x = 311,258,002,917.12
  5. Step 5: Solve for x
    x = 311,258,002,917.12/599,470.40
  6. Step 6: Final answer
    x = 519,221.64

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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.