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Finding the Fourth Proportional to 882,667.80, 1,323,638.82 and 350,115.48

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Solution

The fourth proportional to 882,667.80, 1,323,638.82 and 350,115.48 is: 525,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,667.80 : 1,323,638.82 = 350,115.48 : x
  2. Step 2: Convert to fraction form
    882,667.80/1,323,638.82 = 350,115.48/x
  3. Step 3: Cross multiply
    882,667.80x = 1,323,638.82 × 350,115.48
  4. Step 4: Simplify right side
    882,667.80x = 463,426,440,810.93
  5. Step 5: Solve for x
    x = 463,426,440,810.93/882,667.80
  6. Step 6: Final answer
    x = 525,029.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.