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Finding the Fourth Proportional to 437,319.63, 656,071.50 and 247,870.77

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Solution

The fourth proportional to 437,319.63, 656,071.50 and 247,870.77 is: 371,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,319.63 : 656,071.50 = 247,870.77 : x
  2. Step 2: Convert to fraction form
    437,319.63/656,071.50 = 247,870.77/x
  3. Step 3: Cross multiply
    437,319.63x = 656,071.50 × 247,870.77
  4. Step 4: Simplify right side
    437,319.63x = 162,620,947,880.06
  5. Step 5: Solve for x
    x = 162,620,947,880.06/437,319.63
  6. Step 6: Final answer
    x = 371,858.33

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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.