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Finding the Fourth Proportional to 556,408.25, 834,673.73 and 177,240.77

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Solution

The fourth proportional to 556,408.25, 834,673.73 and 177,240.77 is: 265,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,408.25 : 834,673.73 = 177,240.77 : x
  2. Step 2: Convert to fraction form
    556,408.25/834,673.73 = 177,240.77/x
  3. Step 3: Cross multiply
    556,408.25x = 834,673.73 × 177,240.77
  4. Step 4: Simplify right side
    556,408.25x = 147,938,209,544.40
  5. Step 5: Solve for x
    x = 147,938,209,544.40/556,408.25
  6. Step 6: Final answer
    x = 265,880.69

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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.