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Finding the Fourth Proportional to 673,810.04, 929,858.46 and 372,004.04

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Solution

The fourth proportional to 673,810.04, 929,858.46 and 372,004.04 is: 513,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,810.04 : 929,858.46 = 372,004.04 : x
  2. Step 2: Convert to fraction form
    673,810.04/929,858.46 = 372,004.04/x
  3. Step 3: Cross multiply
    673,810.04x = 929,858.46 × 372,004.04
  4. Step 4: Simplify right side
    673,810.04x = 345,911,103,748.18
  5. Step 5: Solve for x
    x = 345,911,103,748.18/673,810.04
  6. Step 6: Final answer
    x = 513,365.91

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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.