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Finding the Fourth Proportional to 415,444,995.90, 623,167,493.85 and 173,076,407.10

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Solution

The fourth proportional to 415,444,995.90, 623,167,493.85 and 173,076,407.10 is: 259,614,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,444,995.90 : 623,167,493.85 = 173,076,407.10 : x
  2. Step 2: Convert to fraction form
    415,444,995.90/623,167,493.85 = 173,076,407.10/x
  3. Step 3: Cross multiply
    415,444,995.90x = 623,167,493.85 × 173,076,407.10
  4. Step 4: Simplify right side
    415,444,995.90x = 107,855,590,857,069,344
  5. Step 5: Solve for x
    x = 107,855,590,857,069,344/415,444,995.90
  6. Step 6: Final answer
    x = 259,614,610.65

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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.