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Finding the Fourth Proportional to 427,752, 590,453.52 and 248,904

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Solution

The fourth proportional to 427,752, 590,453.52 and 248,904 is: 343,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,752 : 590,453.52 = 248,904 : x
  2. Step 2: Convert to fraction form
    427,752/590,453.52 = 248,904/x
  3. Step 3: Cross multiply
    427,752x = 590,453.52 × 248,904
  4. Step 4: Simplify right side
    427,752x = 146,966,242,942.08
  5. Step 5: Solve for x
    x = 146,966,242,942.08/427,752
  6. Step 6: Final answer
    x = 343,578.15

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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.