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Finding the Fourth Proportional to 941,606.70, 1,412,410.05 and 872,486.70

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Solution

The fourth proportional to 941,606.70, 1,412,410.05 and 872,486.70 is: 1,308,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,606.70 : 1,412,410.05 = 872,486.70 : x
  2. Step 2: Convert to fraction form
    941,606.70/1,412,410.05 = 872,486.70/x
  3. Step 3: Cross multiply
    941,606.70x = 1,412,410.05 × 872,486.70
  4. Step 4: Simplify right side
    941,606.70x = 1,232,308,983,571.34
  5. Step 5: Solve for x
    x = 1,232,308,983,571.34/941,606.70
  6. Step 6: Final answer
    x = 1,308,730.05

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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.