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Finding the Fourth Proportional to 554,660.28, 831,480.12 and 301,570.92

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Solution

The fourth proportional to 554,660.28, 831,480.12 and 301,570.92 is: 452,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,660.28 : 831,480.12 = 301,570.92 : x
  2. Step 2: Convert to fraction form
    554,660.28/831,480.12 = 301,570.92/x
  3. Step 3: Cross multiply
    554,660.28x = 831,480.12 × 301,570.92
  4. Step 4: Simplify right side
    554,660.28x = 250,750,224,750.11
  5. Step 5: Solve for x
    x = 250,750,224,750.11/554,660.28
  6. Step 6: Final answer
    x = 452,078.93

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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.