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Finding the Fourth Proportional to 556,803.40, 836,954.70 and 546,305.80

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Solution

The fourth proportional to 556,803.40, 836,954.70 and 546,305.80 is: 821,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,803.40 : 836,954.70 = 546,305.80 : x
  2. Step 2: Convert to fraction form
    556,803.40/836,954.70 = 546,305.80/x
  3. Step 3: Cross multiply
    556,803.40x = 836,954.70 × 546,305.80
  4. Step 4: Simplify right side
    556,803.40x = 457,233,206,947.26
  5. Step 5: Solve for x
    x = 457,233,206,947.26/556,803.40
  6. Step 6: Final answer
    x = 821,175.31

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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.