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Finding the Fourth Proportional to 453,683.30, 680,492.14 and 216,962.42

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Solution

The fourth proportional to 453,683.30, 680,492.14 and 216,962.42 is: 325,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,683.30 : 680,492.14 = 216,962.42 : x
  2. Step 2: Convert to fraction form
    453,683.30/680,492.14 = 216,962.42/x
  3. Step 3: Cross multiply
    453,683.30x = 680,492.14 × 216,962.42
  4. Step 4: Simplify right side
    453,683.30x = 147,641,221,485.38
  5. Step 5: Solve for x
    x = 147,641,221,485.38/453,683.30
  6. Step 6: Final answer
    x = 325,427.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.