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Finding the Fourth Proportional to 841,383, 1,262,074.50 and 250,407

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Solution

The fourth proportional to 841,383, 1,262,074.50 and 250,407 is: 375,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,383 : 1,262,074.50 = 250,407 : x
  2. Step 2: Convert to fraction form
    841,383/1,262,074.50 = 250,407/x
  3. Step 3: Cross multiply
    841,383x = 1,262,074.50 × 250,407
  4. Step 4: Simplify right side
    841,383x = 316,032,289,321.50
  5. Step 5: Solve for x
    x = 316,032,289,321.50/841,383
  6. Step 6: Final answer
    x = 375,610.50

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Similar ratio
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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.