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Finding the Fourth Proportional to 326,653.93, 450,770.74 and 183,420.01

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Solution

The fourth proportional to 326,653.93, 450,770.74 and 183,420.01 is: 253,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,653.93 : 450,770.74 = 183,420.01 : x
  2. Step 2: Convert to fraction form
    326,653.93/450,770.74 = 183,420.01/x
  3. Step 3: Cross multiply
    326,653.93x = 450,770.74 × 183,420.01
  4. Step 4: Simplify right side
    326,653.93x = 82,680,373,638.51
  5. Step 5: Solve for x
    x = 82,680,373,638.51/326,653.93
  6. Step 6: Final answer
    x = 253,113.05

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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.