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Finding the Fourth Proportional to 549,603.30, 824,483.20 and 170,556.79

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Solution

The fourth proportional to 549,603.30, 824,483.20 and 170,556.79 is: 255,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,603.30 : 824,483.20 = 170,556.79 : x
  2. Step 2: Convert to fraction form
    549,603.30/824,483.20 = 170,556.79/x
  3. Step 3: Cross multiply
    549,603.30x = 824,483.20 × 170,556.79
  4. Step 4: Simplify right side
    549,603.30x = 140,621,203,878.51
  5. Step 5: Solve for x
    x = 140,621,203,878.51/549,603.30
  6. Step 6: Final answer
    x = 255,859.46

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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.