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Finding the Fourth Proportional to 302,744.40, 454,116.60 and 162,430.80

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Solution

The fourth proportional to 302,744.40, 454,116.60 and 162,430.80 is: 243,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,744.40 : 454,116.60 = 162,430.80 : x
  2. Step 2: Convert to fraction form
    302,744.40/454,116.60 = 162,430.80/x
  3. Step 3: Cross multiply
    302,744.40x = 454,116.60 × 162,430.80
  4. Step 4: Simplify right side
    302,744.40x = 73,762,522,631.28
  5. Step 5: Solve for x
    x = 73,762,522,631.28/302,744.40
  6. Step 6: Final answer
    x = 243,646.20

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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.