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Finding the Fourth Proportional to 673,097.06, 928,859.10 and 371,291.06

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Solution

The fourth proportional to 673,097.06, 928,859.10 and 371,291.06 is: 512,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,097.06 : 928,859.10 = 371,291.06 : x
  2. Step 2: Convert to fraction form
    673,097.06/928,859.10 = 371,291.06/x
  3. Step 3: Cross multiply
    673,097.06x = 928,859.10 × 371,291.06
  4. Step 4: Simplify right side
    673,097.06x = 344,877,079,829.65
  5. Step 5: Solve for x
    x = 344,877,079,829.65/673,097.06
  6. Step 6: Final answer
    x = 512,373.48

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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.