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Finding the Fourth Proportional to 370,103.28, 554,830.56 and 177,881.57

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Solution

The fourth proportional to 370,103.28, 554,830.56 and 177,881.57 is: 266,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,103.28 : 554,830.56 = 177,881.57 : x
  2. Step 2: Convert to fraction form
    370,103.28/554,830.56 = 177,881.57/x
  3. Step 3: Cross multiply
    370,103.28x = 554,830.56 × 177,881.57
  4. Step 4: Simplify right side
    370,103.28x = 98,694,130,403.24
  5. Step 5: Solve for x
    x = 98,694,130,403.24/370,103.28
  6. Step 6: Final answer
    x = 266,666.46

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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.