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Finding the Fourth Proportional to 364,038.40, 545,987.13 and 111,257.65

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Solution

The fourth proportional to 364,038.40, 545,987.13 and 111,257.65 is: 166,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,038.40 : 545,987.13 = 111,257.65 : x
  2. Step 2: Convert to fraction form
    364,038.40/545,987.13 = 111,257.65/x
  3. Step 3: Cross multiply
    364,038.40x = 545,987.13 × 111,257.65
  4. Step 4: Simplify right side
    364,038.40x = 60,745,245,014.04
  5. Step 5: Solve for x
    x = 60,745,245,014.04/364,038.40
  6. Step 6: Final answer
    x = 166,864.94

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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.