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Finding the Fourth Proportional to 432,511.48, 648,696.78 and 151,963.24

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Solution

The fourth proportional to 432,511.48, 648,696.78 and 151,963.24 is: 227,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,511.48 : 648,696.78 = 151,963.24 : x
  2. Step 2: Convert to fraction form
    432,511.48/648,696.78 = 151,963.24/x
  3. Step 3: Cross multiply
    432,511.48x = 648,696.78 × 151,963.24
  4. Step 4: Simplify right side
    432,511.48x = 98,578,064,466.37
  5. Step 5: Solve for x
    x = 98,578,064,466.37/432,511.48
  6. Step 6: Final answer
    x = 227,920.11

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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.