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Finding the Fourth Proportional to 591,410.56, 886,929.72 and 191,959.08

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Solution

The fourth proportional to 591,410.56, 886,929.72 and 191,959.08 is: 287,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,410.56 : 886,929.72 = 191,959.08 : x
  2. Step 2: Convert to fraction form
    591,410.56/886,929.72 = 191,959.08/x
  3. Step 3: Cross multiply
    591,410.56x = 886,929.72 × 191,959.08
  4. Step 4: Simplify right side
    591,410.56x = 170,254,213,075.86
  5. Step 5: Solve for x
    x = 170,254,213,075.86/591,410.56
  6. Step 6: Final answer
    x = 287,878.21

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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.