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Finding the Fourth Proportional to 939,193.76, 1,407,864 and 601,272.56

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Solution

The fourth proportional to 939,193.76, 1,407,864 and 601,272.56 is: 901,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,193.76 : 1,407,864 = 601,272.56 : x
  2. Step 2: Convert to fraction form
    939,193.76/1,407,864 = 601,272.56/x
  3. Step 3: Cross multiply
    939,193.76x = 1,407,864 × 601,272.56
  4. Step 4: Simplify right side
    939,193.76x = 846,509,991,411.84
  5. Step 5: Solve for x
    x = 846,509,991,411.84/939,193.76
  6. Step 6: Final answer
    x = 901,315.60

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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.