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Finding the Fourth Proportional to 424,659, 637,086.93 and 144,176.25

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Solution

The fourth proportional to 424,659, 637,086.93 and 144,176.25 is: 216,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,659 : 637,086.93 = 144,176.25 : x
  2. Step 2: Convert to fraction form
    424,659/637,086.93 = 144,176.25/x
  3. Step 3: Cross multiply
    424,659x = 637,086.93 × 144,176.25
  4. Step 4: Simplify right side
    424,659x = 91,852,804,491.41
  5. Step 5: Solve for x
    x = 91,852,804,491.41/424,659
  6. Step 6: Final answer
    x = 216,297.79

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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.