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Finding the Fourth Proportional to 612,002.70, 918,004.05 and 588,674.70

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Solution

The fourth proportional to 612,002.70, 918,004.05 and 588,674.70 is: 883,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,002.70 : 918,004.05 = 588,674.70 : x
  2. Step 2: Convert to fraction form
    612,002.70/918,004.05 = 588,674.70/x
  3. Step 3: Cross multiply
    612,002.70x = 918,004.05 × 588,674.70
  4. Step 4: Simplify right side
    612,002.70x = 540,405,758,732.54
  5. Step 5: Solve for x
    x = 540,405,758,732.54/612,002.70
  6. Step 6: Final answer
    x = 883,012.05

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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.