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Finding the Fourth Proportional to 351,354.45, 484,866.91 and 190,208.32

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Solution

The fourth proportional to 351,354.45, 484,866.91 and 190,208.32 is: 262,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,354.45 : 484,866.91 = 190,208.32 : x
  2. Step 2: Convert to fraction form
    351,354.45/484,866.91 = 190,208.32/x
  3. Step 3: Cross multiply
    351,354.45x = 484,866.91 × 190,208.32
  4. Step 4: Simplify right side
    351,354.45x = 92,225,720,374.69
  5. Step 5: Solve for x
    x = 92,225,720,374.69/351,354.45
  6. Step 6: Final answer
    x = 262,486.27

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1.5x scale

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.