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Finding the Fourth Proportional to 545,903.70, 818,661.15 and 246,527.70

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Solution

The fourth proportional to 545,903.70, 818,661.15 and 246,527.70 is: 369,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,903.70 : 818,661.15 = 246,527.70 : x
  2. Step 2: Convert to fraction form
    545,903.70/818,661.15 = 246,527.70/x
  3. Step 3: Cross multiply
    545,903.70x = 818,661.15 × 246,527.70
  4. Step 4: Simplify right side
    545,903.70x = 201,822,650,388.86
  5. Step 5: Solve for x
    x = 201,822,650,388.86/545,903.70
  6. Step 6: Final answer
    x = 369,703.76

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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.