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Finding the Fourth Proportional to 876,847.16, 1,315,309.01 and 277,852.50

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Solution

The fourth proportional to 876,847.16, 1,315,309.01 and 277,852.50 is: 416,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,847.16 : 1,315,309.01 = 277,852.50 : x
  2. Step 2: Convert to fraction form
    876,847.16/1,315,309.01 = 277,852.50/x
  3. Step 3: Cross multiply
    876,847.16x = 1,315,309.01 × 277,852.50
  4. Step 4: Simplify right side
    876,847.16x = 365,461,895,311.76
  5. Step 5: Solve for x
    x = 365,461,895,311.76/876,847.16
  6. Step 6: Final answer
    x = 416,790.88

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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.