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Finding the Fourth Proportional to 364,063.93, 546,008.40 and 186,479.53

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Solution

The fourth proportional to 364,063.93, 546,008.40 and 186,479.53 is: 279,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,063.93 : 546,008.40 = 186,479.53 : x
  2. Step 2: Convert to fraction form
    364,063.93/546,008.40 = 186,479.53/x
  3. Step 3: Cross multiply
    364,063.93x = 546,008.40 × 186,479.53
  4. Step 4: Simplify right side
    364,063.93x = 101,819,387,078.01
  5. Step 5: Solve for x
    x = 101,819,387,078.01/364,063.93
  6. Step 6: Final answer
    x = 279,674.47

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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.