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Finding the Fourth Proportional to 370,178.93, 555,268.47 and 133,521.59

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Solution

The fourth proportional to 370,178.93, 555,268.47 and 133,521.59 is: 200,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,178.93 : 555,268.47 = 133,521.59 : x
  2. Step 2: Convert to fraction form
    370,178.93/555,268.47 = 133,521.59/x
  3. Step 3: Cross multiply
    370,178.93x = 555,268.47 × 133,521.59
  4. Step 4: Simplify right side
    370,178.93x = 74,140,327,506.41
  5. Step 5: Solve for x
    x = 74,140,327,506.41/370,178.93
  6. Step 6: Final answer
    x = 200,282.41

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1.5x scale

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.