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Finding the Fourth Proportional to 501,627.82, 692,266.35 and 275,281.42

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Solution

The fourth proportional to 501,627.82, 692,266.35 and 275,281.42 is: 379,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,627.82 : 692,266.35 = 275,281.42 : x
  2. Step 2: Convert to fraction form
    501,627.82/692,266.35 = 275,281.42/x
  3. Step 3: Cross multiply
    501,627.82x = 692,266.35 × 275,281.42
  4. Step 4: Simplify right side
    501,627.82x = 190,568,063,846.22
  5. Step 5: Solve for x
    x = 190,568,063,846.22/501,627.82
  6. Step 6: Final answer
    x = 379,899.31

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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.