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Finding the Fourth Proportional to 370,562.52, 555,707.63 and 127,334.62

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Solution

The fourth proportional to 370,562.52, 555,707.63 and 127,334.62 is: 190,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,562.52 : 555,707.63 = 127,334.62 : x
  2. Step 2: Convert to fraction form
    370,562.52/555,707.63 = 127,334.62/x
  3. Step 3: Cross multiply
    370,562.52x = 555,707.63 × 127,334.62
  4. Step 4: Simplify right side
    370,562.52x = 70,760,817,118.61
  5. Step 5: Solve for x
    x = 70,760,817,118.61/370,562.52
  6. Step 6: Final answer
    x = 190,955.14

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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.