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Finding the Fourth Proportional to 549,477.92, 824,335.25 and 170,391.03

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Solution

The fourth proportional to 549,477.92, 824,335.25 and 170,391.03 is: 255,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,477.92 : 824,335.25 = 170,391.03 : x
  2. Step 2: Convert to fraction form
    549,477.92/824,335.25 = 170,391.03/x
  3. Step 3: Cross multiply
    549,477.92x = 824,335.25 × 170,391.03
  4. Step 4: Simplify right side
    549,477.92x = 140,459,331,460.85
  5. Step 5: Solve for x
    x = 140,459,331,460.85/549,477.92
  6. Step 6: Final answer
    x = 255,623.25

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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.