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Finding the Fourth Proportional to 424,222.72, 636,334.08 and 174,898.24

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Solution

The fourth proportional to 424,222.72, 636,334.08 and 174,898.24 is: 262,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,222.72 : 636,334.08 = 174,898.24 : x
  2. Step 2: Convert to fraction form
    424,222.72/636,334.08 = 174,898.24/x
  3. Step 3: Cross multiply
    424,222.72x = 636,334.08 × 174,898.24
  4. Step 4: Simplify right side
    424,222.72x = 111,293,710,644.02
  5. Step 5: Solve for x
    x = 111,293,710,644.02/424,222.72
  6. Step 6: Final answer
    x = 262,347.36

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1.5x scale

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.