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Finding the Fourth Proportional to 673,632, 929,612.24 and 371,826.08

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Solution

The fourth proportional to 673,632, 929,612.24 and 371,826.08 is: 513,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,632 : 929,612.24 = 371,826.08 : x
  2. Step 2: Convert to fraction form
    673,632/929,612.24 = 371,826.08/x
  3. Step 3: Cross multiply
    673,632x = 929,612.24 × 371,826.08
  4. Step 4: Simplify right side
    673,632x = 345,654,075,119.22
  5. Step 5: Solve for x
    x = 345,654,075,119.22/673,632
  6. Step 6: Final answer
    x = 513,120.03

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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.