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Finding the Fourth Proportional to 671,605.88, 926,832.72 and 365,699.03

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Solution

The fourth proportional to 671,605.88, 926,832.72 and 365,699.03 is: 504,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,605.88 : 926,832.72 = 365,699.03 : x
  2. Step 2: Convert to fraction form
    671,605.88/926,832.72 = 365,699.03/x
  3. Step 3: Cross multiply
    671,605.88x = 926,832.72 × 365,699.03
  4. Step 4: Simplify right side
    671,605.88x = 338,941,822,042.10
  5. Step 5: Solve for x
    x = 338,941,822,042.10/671,605.88
  6. Step 6: Final answer
    x = 504,673.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.