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Finding the Fourth Proportional to 364,399.58, 546,085.57 and 172,068.81

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Solution

The fourth proportional to 364,399.58, 546,085.57 and 172,068.81 is: 257,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,399.58 : 546,085.57 = 172,068.81 : x
  2. Step 2: Convert to fraction form
    364,399.58/546,085.57 = 172,068.81/x
  3. Step 3: Cross multiply
    364,399.58x = 546,085.57 × 172,068.81
  4. Step 4: Simplify right side
    364,399.58x = 93,964,294,188.07
  5. Step 5: Solve for x
    x = 93,964,294,188.07/364,399.58
  6. Step 6: Final answer
    x = 257,860.60

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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.