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Finding the Fourth Proportional to 874,446.64, 1,311,670.06 and 341,594.01

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Solution

The fourth proportional to 874,446.64, 1,311,670.06 and 341,594.01 is: 512,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,446.64 : 1,311,670.06 = 341,594.01 : x
  2. Step 2: Convert to fraction form
    874,446.64/1,311,670.06 = 341,594.01/x
  3. Step 3: Cross multiply
    874,446.64x = 1,311,670.06 × 341,594.01
  4. Step 4: Simplify right side
    874,446.64x = 448,058,634,738.36
  5. Step 5: Solve for x
    x = 448,058,634,738.36/874,446.64
  6. Step 6: Final answer
    x = 512,391.05

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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.