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Finding the Fourth Proportional to 907,744.80, 1,358,992.80 and 881,500.80

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Solution

The fourth proportional to 907,744.80, 1,358,992.80 and 881,500.80 is: 1,319,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,744.80 : 1,358,992.80 = 881,500.80 : x
  2. Step 2: Convert to fraction form
    907,744.80/1,358,992.80 = 881,500.80/x
  3. Step 3: Cross multiply
    907,744.80x = 1,358,992.80 × 881,500.80
  4. Step 4: Simplify right side
    907,744.80x = 1,197,953,240,394.24
  5. Step 5: Solve for x
    x = 1,197,953,240,394.24/907,744.80
  6. Step 6: Final answer
    x = 1,319,702.67

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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.