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Finding the Fourth Proportional to 507,556.68, 761,404.92 and 170,623.48

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Solution

The fourth proportional to 507,556.68, 761,404.92 and 170,623.48 is: 255,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,556.68 : 761,404.92 = 170,623.48 : x
  2. Step 2: Convert to fraction form
    507,556.68/761,404.92 = 170,623.48/x
  3. Step 3: Cross multiply
    507,556.68x = 761,404.92 × 170,623.48
  4. Step 4: Simplify right side
    507,556.68x = 129,913,557,139.52
  5. Step 5: Solve for x
    x = 129,913,557,139.52/507,556.68
  6. Step 6: Final answer
    x = 255,958.72

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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.