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Finding the Fourth Proportional to 372,556.80, 559,828.80 and 326,271.60

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Solution

The fourth proportional to 372,556.80, 559,828.80 and 326,271.60 is: 490,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,556.80 : 559,828.80 = 326,271.60 : x
  2. Step 2: Convert to fraction form
    372,556.80/559,828.80 = 326,271.60/x
  3. Step 3: Cross multiply
    372,556.80x = 559,828.80 × 326,271.60
  4. Step 4: Simplify right side
    372,556.80x = 182,656,238,302.08
  5. Step 5: Solve for x
    x = 182,656,238,302.08/372,556.80
  6. Step 6: Final answer
    x = 490,277.56

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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.