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Finding the Fourth Proportional to 1,039,817, 1,559,725.50 and 374,969

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Solution

The fourth proportional to 1,039,817, 1,559,725.50 and 374,969 is: 562,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,817 : 1,559,725.50 = 374,969 : x
  2. Step 2: Convert to fraction form
    1,039,817/1,559,725.50 = 374,969/x
  3. Step 3: Cross multiply
    1,039,817x = 1,559,725.50 × 374,969
  4. Step 4: Simplify right side
    1,039,817x = 584,848,711,009.50
  5. Step 5: Solve for x
    x = 584,848,711,009.50/1,039,817
  6. Step 6: Final answer
    x = 562,453.50

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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.