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Finding the Fourth Proportional to 373,966,840.50, 560,978,456.64 and 111,630,668.32

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Solution

The fourth proportional to 373,966,840.50, 560,978,456.64 and 111,630,668.32 is: 167,454,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,966,840.50 : 560,978,456.64 = 111,630,668.32 : x
  2. Step 2: Convert to fraction form
    373,966,840.50/560,978,456.64 = 111,630,668.32/x
  3. Step 3: Cross multiply
    373,966,840.50x = 560,978,456.64 × 111,630,668.32
  4. Step 4: Simplify right side
    373,966,840.50x = 62,622,400,027,845,336
  5. Step 5: Solve for x
    x = 62,622,400,027,845,336/373,966,840.50
  6. Step 6: Final answer
    x = 167,454,419.07

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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.