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Finding the Fourth Proportional to 751,260.64, 1,126,932 and 190,300

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Solution

The fourth proportional to 751,260.64, 1,126,932 and 190,300 is: 285,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,260.64 : 1,126,932 = 190,300 : x
  2. Step 2: Convert to fraction form
    751,260.64/1,126,932 = 190,300/x
  3. Step 3: Cross multiply
    751,260.64x = 1,126,932 × 190,300
  4. Step 4: Simplify right side
    751,260.64x = 214,455,159,600
  5. Step 5: Solve for x
    x = 214,455,159,600/751,260.64
  6. Step 6: Final answer
    x = 285,460.40

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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.