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Finding the Fourth Proportional to 364,467.12, 546,904.80 and 154,262.40

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Solution

The fourth proportional to 364,467.12, 546,904.80 and 154,262.40 is: 231,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,467.12 : 546,904.80 = 154,262.40 : x
  2. Step 2: Convert to fraction form
    364,467.12/546,904.80 = 154,262.40/x
  3. Step 3: Cross multiply
    364,467.12x = 546,904.80 × 154,262.40
  4. Step 4: Simplify right side
    364,467.12x = 84,366,847,019.52
  5. Step 5: Solve for x
    x = 84,366,847,019.52/364,467.12
  6. Step 6: Final answer
    x = 231,479.99

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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.