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Finding the Fourth Proportional to 560,111.40, 838,611.90 and 544,559.40

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Solution

The fourth proportional to 560,111.40, 838,611.90 and 544,559.40 is: 815,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,111.40 : 838,611.90 = 544,559.40 : x
  2. Step 2: Convert to fraction form
    560,111.40/838,611.90 = 544,559.40/x
  3. Step 3: Cross multiply
    560,111.40x = 838,611.90 × 544,559.40
  4. Step 4: Simplify right side
    560,111.40x = 456,673,993,096.86
  5. Step 5: Solve for x
    x = 456,673,993,096.86/560,111.40
  6. Step 6: Final answer
    x = 815,327.08

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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.