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Finding the Fourth Proportional to 301,010.88, 415,407.74 and 171,970.59

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Solution

The fourth proportional to 301,010.88, 415,407.74 and 171,970.59 is: 237,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,010.88 : 415,407.74 = 171,970.59 : x
  2. Step 2: Convert to fraction form
    301,010.88/415,407.74 = 171,970.59/x
  3. Step 3: Cross multiply
    301,010.88x = 415,407.74 × 171,970.59
  4. Step 4: Simplify right side
    301,010.88x = 71,437,915,803.63
  5. Step 5: Solve for x
    x = 71,437,915,803.63/301,010.88
  6. Step 6: Final answer
    x = 237,326.69

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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.