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Finding the Fourth Proportional to 486,371.99, 666,326.52 and 468,184.07

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Solution

The fourth proportional to 486,371.99, 666,326.52 and 468,184.07 is: 641,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,371.99 : 666,326.52 = 468,184.07 : x
  2. Step 2: Convert to fraction form
    486,371.99/666,326.52 = 468,184.07/x
  3. Step 3: Cross multiply
    486,371.99x = 666,326.52 × 468,184.07
  4. Step 4: Simplify right side
    486,371.99x = 311,963,463,748.35
  5. Step 5: Solve for x
    x = 311,963,463,748.35/486,371.99
  6. Step 6: Final answer
    x = 641,409.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.