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Finding the Fourth Proportional to 548,277.16, 756,390.80 and 367,047.48

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Solution

The fourth proportional to 548,277.16, 756,390.80 and 367,047.48 is: 506,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,277.16 : 756,390.80 = 367,047.48 : x
  2. Step 2: Convert to fraction form
    548,277.16/756,390.80 = 367,047.48/x
  3. Step 3: Cross multiply
    548,277.16x = 756,390.80 × 367,047.48
  4. Step 4: Simplify right side
    548,277.16x = 277,631,337,035.18
  5. Step 5: Solve for x
    x = 277,631,337,035.18/548,277.16
  6. Step 6: Final answer
    x = 506,370.42

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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.