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Finding the Fourth Proportional to 468,622.86, 646,698.36 and 253,762.90

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Solution

The fourth proportional to 468,622.86, 646,698.36 and 253,762.90 is: 350,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,622.86 : 646,698.36 = 253,762.90 : x
  2. Step 2: Convert to fraction form
    468,622.86/646,698.36 = 253,762.90/x
  3. Step 3: Cross multiply
    468,622.86x = 646,698.36 × 253,762.90
  4. Step 4: Simplify right side
    468,622.86x = 164,108,051,258.84
  5. Step 5: Solve for x
    x = 164,108,051,258.84/468,622.86
  6. Step 6: Final answer
    x = 350,192.16

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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.