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Finding the Fourth Proportional to 302,656.60, 453,984.90 and 269,997.40

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Solution

The fourth proportional to 302,656.60, 453,984.90 and 269,997.40 is: 404,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,656.60 : 453,984.90 = 269,997.40 : x
  2. Step 2: Convert to fraction form
    302,656.60/453,984.90 = 269,997.40/x
  3. Step 3: Cross multiply
    302,656.60x = 453,984.90 × 269,997.40
  4. Step 4: Simplify right side
    302,656.60x = 122,574,742,639.26
  5. Step 5: Solve for x
    x = 122,574,742,639.26/302,656.60
  6. Step 6: Final answer
    x = 404,996.10

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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.