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Finding the Fourth Proportional to 656,391.84, 905,798.35 and 362,053.23

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Solution

The fourth proportional to 656,391.84, 905,798.35 and 362,053.23 is: 499,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,391.84 : 905,798.35 = 362,053.23 : x
  2. Step 2: Convert to fraction form
    656,391.84/905,798.35 = 362,053.23/x
  3. Step 3: Cross multiply
    656,391.84x = 905,798.35 × 362,053.23
  4. Step 4: Simplify right side
    656,391.84x = 327,947,212,006.91
  5. Step 5: Solve for x
    x = 327,947,212,006.91/656,391.84
  6. Step 6: Final answer
    x = 499,621.10

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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.