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Finding the Fourth Proportional to 302,802.60, 454,422.60 and 169,541.40

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Solution

The fourth proportional to 302,802.60, 454,422.60 and 169,541.40 is: 254,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,802.60 : 454,422.60 = 169,541.40 : x
  2. Step 2: Convert to fraction form
    302,802.60/454,422.60 = 169,541.40/x
  3. Step 3: Cross multiply
    302,802.60x = 454,422.60 × 169,541.40
  4. Step 4: Simplify right side
    302,802.60x = 77,043,443,795.64
  5. Step 5: Solve for x
    x = 77,043,443,795.64/302,802.60
  6. Step 6: Final answer
    x = 254,434.55

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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.