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Finding the Fourth Proportional to 590,368.40, 885,811.80 and 274,662.80

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Solution

The fourth proportional to 590,368.40, 885,811.80 and 274,662.80 is: 412,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,368.40 : 885,811.80 = 274,662.80 : x
  2. Step 2: Convert to fraction form
    590,368.40/885,811.80 = 274,662.80/x
  3. Step 3: Cross multiply
    590,368.40x = 885,811.80 × 274,662.80
  4. Step 4: Simplify right side
    590,368.40x = 243,299,549,261.04
  5. Step 5: Solve for x
    x = 243,299,549,261.04/590,368.40
  6. Step 6: Final answer
    x = 412,114.79

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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.