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Finding the Fourth Proportional to 434,663.91, 599,851.76 and 253,346.63

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Solution

The fourth proportional to 434,663.91, 599,851.76 and 253,346.63 is: 349,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,663.91 : 599,851.76 = 253,346.63 : x
  2. Step 2: Convert to fraction form
    434,663.91/599,851.76 = 253,346.63/x
  3. Step 3: Cross multiply
    434,663.91x = 599,851.76 × 253,346.63
  4. Step 4: Simplify right side
    434,663.91x = 151,970,417,629.58
  5. Step 5: Solve for x
    x = 151,970,417,629.58/434,663.91
  6. Step 6: Final answer
    x = 349,627.41

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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.