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Finding the Fourth Proportional to 427,561.45, 590,025.71 and 233,968.39

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Solution

The fourth proportional to 427,561.45, 590,025.71 and 233,968.39 is: 322,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,561.45 : 590,025.71 = 233,968.39 : x
  2. Step 2: Convert to fraction form
    427,561.45/590,025.71 = 233,968.39/x
  3. Step 3: Cross multiply
    427,561.45x = 590,025.71 × 233,968.39
  4. Step 4: Simplify right side
    427,561.45x = 138,047,361,307.34
  5. Step 5: Solve for x
    x = 138,047,361,307.34/427,561.45
  6. Step 6: Final answer
    x = 322,871.39

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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.