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Finding the Fourth Proportional to 673,964.08, 930,065.70 and 368,040.46

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Solution

The fourth proportional to 673,964.08, 930,065.70 and 368,040.46 is: 507,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,964.08 : 930,065.70 = 368,040.46 : x
  2. Step 2: Convert to fraction form
    673,964.08/930,065.70 = 368,040.46/x
  3. Step 3: Cross multiply
    673,964.08x = 930,065.70 × 368,040.46
  4. Step 4: Simplify right side
    673,964.08x = 342,301,808,058.22
  5. Step 5: Solve for x
    x = 342,301,808,058.22/673,964.08
  6. Step 6: Final answer
    x = 507,893.25

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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.