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Finding the Fourth Proportional to 370,611.76, 555,931 and 104,395.54

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Solution

The fourth proportional to 370,611.76, 555,931 and 104,395.54 is: 156,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,611.76 : 555,931 = 104,395.54 : x
  2. Step 2: Convert to fraction form
    370,611.76/555,931 = 104,395.54/x
  3. Step 3: Cross multiply
    370,611.76x = 555,931 × 104,395.54
  4. Step 4: Simplify right side
    370,611.76x = 58,036,716,947.74
  5. Step 5: Solve for x
    x = 58,036,716,947.74/370,611.76
  6. Step 6: Final answer
    x = 156,597.07

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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.