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Finding the Fourth Proportional to 554,264.60, 764,885.63 and 299,615.76

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Solution

The fourth proportional to 554,264.60, 764,885.63 and 299,615.76 is: 413,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,264.60 : 764,885.63 = 299,615.76 : x
  2. Step 2: Convert to fraction form
    554,264.60/764,885.63 = 299,615.76/x
  3. Step 3: Cross multiply
    554,264.60x = 764,885.63 × 299,615.76
  4. Step 4: Simplify right side
    554,264.60x = 229,171,790,094.57
  5. Step 5: Solve for x
    x = 229,171,790,094.57/554,264.60
  6. Step 6: Final answer
    x = 413,470.01

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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.