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Finding the Fourth Proportional to 547,120.04, 754,121.88 and 365,765.90

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Solution

The fourth proportional to 547,120.04, 754,121.88 and 365,765.90 is: 504,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,120.04 : 754,121.88 = 365,765.90 : x
  2. Step 2: Convert to fraction form
    547,120.04/754,121.88 = 365,765.90/x
  3. Step 3: Cross multiply
    547,120.04x = 754,121.88 × 365,765.90
  4. Step 4: Simplify right side
    547,120.04x = 275,832,064,377.28
  5. Step 5: Solve for x
    x = 275,832,064,377.28/547,120.04
  6. Step 6: Final answer
    x = 504,152.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.