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Finding the Fourth Proportional to 354,075.87, 531,270.80 and 185,556.14

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Solution

The fourth proportional to 354,075.87, 531,270.80 and 185,556.14 is: 278,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,075.87 : 531,270.80 = 185,556.14 : x
  2. Step 2: Convert to fraction form
    354,075.87/531,270.80 = 185,556.14/x
  3. Step 3: Cross multiply
    354,075.87x = 531,270.80 × 185,556.14
  4. Step 4: Simplify right side
    354,075.87x = 98,580,555,358.58
  5. Step 5: Solve for x
    x = 98,580,555,358.58/354,075.87
  6. Step 6: Final answer
    x = 278,416.47

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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.