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Finding the Fourth Proportional to 867,070.95, 1,303,716.83 and 730,213.35

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Solution

The fourth proportional to 867,070.95, 1,303,716.83 and 730,213.35 is: 1,097,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,070.95 : 1,303,716.83 = 730,213.35 : x
  2. Step 2: Convert to fraction form
    867,070.95/1,303,716.83 = 730,213.35/x
  3. Step 3: Cross multiply
    867,070.95x = 1,303,716.83 × 730,213.35
  4. Step 4: Simplify right side
    867,070.95x = 951,991,430,234.61
  5. Step 5: Solve for x
    x = 951,991,430,234.61/867,070.95
  6. Step 6: Final answer
    x = 1,097,939.48

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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.