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Finding the Fourth Proportional to 908,313.60, 1,362,470.40 and 888,630.60

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Solution

The fourth proportional to 908,313.60, 1,362,470.40 and 888,630.60 is: 1,332,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,313.60 : 1,362,470.40 = 888,630.60 : x
  2. Step 2: Convert to fraction form
    908,313.60/1,362,470.40 = 888,630.60/x
  3. Step 3: Cross multiply
    908,313.60x = 1,362,470.40 × 888,630.60
  4. Step 4: Simplify right side
    908,313.60x = 1,210,732,889,034.24
  5. Step 5: Solve for x
    x = 1,210,732,889,034.24/908,313.60
  6. Step 6: Final answer
    x = 1,332,945.90

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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.