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Finding the Fourth Proportional to 504,803.12, 758,061.70 and 337,399.20

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Solution

The fourth proportional to 504,803.12, 758,061.70 and 337,399.20 is: 506,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,803.12 : 758,061.70 = 337,399.20 : x
  2. Step 2: Convert to fraction form
    504,803.12/758,061.70 = 337,399.20/x
  3. Step 3: Cross multiply
    504,803.12x = 758,061.70 × 337,399.20
  4. Step 4: Simplify right side
    504,803.12x = 255,769,411,130.64
  5. Step 5: Solve for x
    x = 255,769,411,130.64/504,803.12
  6. Step 6: Final answer
    x = 506,671.61

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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.