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Finding the Fourth Proportional to 569,589.94, 786,038.13 and 311,468.02

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Solution

The fourth proportional to 569,589.94, 786,038.13 and 311,468.02 is: 429,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,589.94 : 786,038.13 = 311,468.02 : x
  2. Step 2: Convert to fraction form
    569,589.94/786,038.13 = 311,468.02/x
  3. Step 3: Cross multiply
    569,589.94x = 786,038.13 × 311,468.02
  4. Step 4: Simplify right side
    569,589.94x = 244,825,739,995.60
  5. Step 5: Solve for x
    x = 244,825,739,995.60/569,589.94
  6. Step 6: Final answer
    x = 429,828.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.