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Finding the Fourth Proportional to 346,015.89, 518,838.84 and 177,467.45

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Solution

The fourth proportional to 346,015.89, 518,838.84 and 177,467.45 is: 266,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,015.89 : 518,838.84 = 177,467.45 : x
  2. Step 2: Convert to fraction form
    346,015.89/518,838.84 = 177,467.45/x
  3. Step 3: Cross multiply
    346,015.89x = 518,838.84 × 177,467.45
  4. Step 4: Simplify right side
    346,015.89x = 92,077,003,301.56
  5. Step 5: Solve for x
    x = 92,077,003,301.56/346,015.89
  6. Step 6: Final answer
    x = 266,106.29

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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.