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Finding the Fourth Proportional to 547,237.93, 821,361.48 and 277,555.34

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Solution

The fourth proportional to 547,237.93, 821,361.48 and 277,555.34 is: 416,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,237.93 : 821,361.48 = 277,555.34 : x
  2. Step 2: Convert to fraction form
    547,237.93/821,361.48 = 277,555.34/x
  3. Step 3: Cross multiply
    547,237.93x = 821,361.48 × 277,555.34
  4. Step 4: Simplify right side
    547,237.93x = 227,973,260,737.50
  5. Step 5: Solve for x
    x = 227,973,260,737.50/547,237.93
  6. Step 6: Final answer
    x = 416,588.93

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1.5x scale

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.