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Finding the Fourth Proportional to 292,094.80, 437,170.20 and 211,904.80

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Solution

The fourth proportional to 292,094.80, 437,170.20 and 211,904.80 is: 317,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,094.80 : 437,170.20 = 211,904.80 : x
  2. Step 2: Convert to fraction form
    292,094.80/437,170.20 = 211,904.80/x
  3. Step 3: Cross multiply
    292,094.80x = 437,170.20 × 211,904.80
  4. Step 4: Simplify right side
    292,094.80x = 92,638,463,796.96
  5. Step 5: Solve for x
    x = 92,638,463,796.96/292,094.80
  6. Step 6: Final answer
    x = 317,152.05

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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.