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Finding the Fourth Proportional to 356,090.40, 534,135.60 and 169,466.40

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Solution

The fourth proportional to 356,090.40, 534,135.60 and 169,466.40 is: 254,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,090.40 : 534,135.60 = 169,466.40 : x
  2. Step 2: Convert to fraction form
    356,090.40/534,135.60 = 169,466.40/x
  3. Step 3: Cross multiply
    356,090.40x = 534,135.60 × 169,466.40
  4. Step 4: Simplify right side
    356,090.40x = 90,518,037,243.84
  5. Step 5: Solve for x
    x = 90,518,037,243.84/356,090.40
  6. Step 6: Final answer
    x = 254,199.60

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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.