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Finding the Fourth Proportional to 484,427.79, 668,046.49 and 369,502.16

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Solution

The fourth proportional to 484,427.79, 668,046.49 and 369,502.16 is: 509,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,427.79 : 668,046.49 = 369,502.16 : x
  2. Step 2: Convert to fraction form
    484,427.79/668,046.49 = 369,502.16/x
  3. Step 3: Cross multiply
    484,427.79x = 668,046.49 × 369,502.16
  4. Step 4: Simplify right side
    484,427.79x = 246,844,616,771.43
  5. Step 5: Solve for x
    x = 246,844,616,771.43/484,427.79
  6. Step 6: Final answer
    x = 509,559.16

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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.