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Finding the Fourth Proportional to 549,879.84, 824,885.64 and 194,821.20

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Solution

The fourth proportional to 549,879.84, 824,885.64 and 194,821.20 is: 292,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,879.84 : 824,885.64 = 194,821.20 : x
  2. Step 2: Convert to fraction form
    549,879.84/824,885.64 = 194,821.20/x
  3. Step 3: Cross multiply
    549,879.84x = 824,885.64 × 194,821.20
  4. Step 4: Simplify right side
    549,879.84x = 160,705,210,247.57
  5. Step 5: Solve for x
    x = 160,705,210,247.57/549,879.84
  6. Step 6: Final answer
    x = 292,255.14

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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.