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Finding the Fourth Proportional to 673,864.07, 929,970.09 and 367,968.84

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Solution

The fourth proportional to 673,864.07, 929,970.09 and 367,968.84 is: 507,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,864.07 : 929,970.09 = 367,968.84 : x
  2. Step 2: Convert to fraction form
    673,864.07/929,970.09 = 367,968.84/x
  3. Step 3: Cross multiply
    673,864.07x = 929,970.09 × 367,968.84
  4. Step 4: Simplify right side
    673,864.07x = 342,200,013,412.15
  5. Step 5: Solve for x
    x = 342,200,013,412.15/673,864.07
  6. Step 6: Final answer
    x = 507,817.57

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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.