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Finding the Fourth Proportional to 326,611, 450,688.62 and 183,387.16

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Solution

The fourth proportional to 326,611, 450,688.62 and 183,387.16 is: 253,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,611 : 450,688.62 = 183,387.16 : x
  2. Step 2: Convert to fraction form
    326,611/450,688.62 = 183,387.16/x
  3. Step 3: Cross multiply
    326,611x = 450,688.62 × 183,387.16
  4. Step 4: Simplify right side
    326,611x = 82,650,506,066.12
  5. Step 5: Solve for x
    x = 82,650,506,066.12/326,611
  6. Step 6: Final answer
    x = 253,054.88

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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.