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Finding the Fourth Proportional to 599,782.60, 899,097.90 and 346,803.40

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Solution

The fourth proportional to 599,782.60, 899,097.90 and 346,803.40 is: 519,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,782.60 : 899,097.90 = 346,803.40 : x
  2. Step 2: Convert to fraction form
    599,782.60/899,097.90 = 346,803.40/x
  3. Step 3: Cross multiply
    599,782.60x = 899,097.90 × 346,803.40
  4. Step 4: Simplify right side
    599,782.60x = 311,810,208,652.86
  5. Step 5: Solve for x
    x = 311,810,208,652.86/599,782.60
  6. Step 6: Final answer
    x = 519,872.05

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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.