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Finding the Fourth Proportional to 370,674.63, 556,014.91 and 242,698.79

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Solution

The fourth proportional to 370,674.63, 556,014.91 and 242,698.79 is: 364,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,674.63 : 556,014.91 = 242,698.79 : x
  2. Step 2: Convert to fraction form
    370,674.63/556,014.91 = 242,698.79/x
  3. Step 3: Cross multiply
    370,674.63x = 556,014.91 × 242,698.79
  4. Step 4: Simplify right side
    370,674.63x = 134,944,147,216.62
  5. Step 5: Solve for x
    x = 134,944,147,216.62/370,674.63
  6. Step 6: Final answer
    x = 364,050.13

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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.