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Finding the Fourth Proportional to 353,075.82, 529,315.20 and 153,246

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Solution

The fourth proportional to 353,075.82, 529,315.20 and 153,246 is: 229,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,075.82 : 529,315.20 = 153,246 : x
  2. Step 2: Convert to fraction form
    353,075.82/529,315.20 = 153,246/x
  3. Step 3: Cross multiply
    353,075.82x = 529,315.20 × 153,246
  4. Step 4: Simplify right side
    353,075.82x = 81,115,437,139.20
  5. Step 5: Solve for x
    x = 81,115,437,139.20/353,075.82
  6. Step 6: Final answer
    x = 229,739.43

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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.