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Finding the Fourth Proportional to 553,196.20, 829,794.30 and 366,207.70

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Solution

The fourth proportional to 553,196.20, 829,794.30 and 366,207.70 is: 549,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,196.20 : 829,794.30 = 366,207.70 : x
  2. Step 2: Convert to fraction form
    553,196.20/829,794.30 = 366,207.70/x
  3. Step 3: Cross multiply
    553,196.20x = 829,794.30 × 366,207.70
  4. Step 4: Simplify right side
    553,196.20x = 303,877,062,076.11
  5. Step 5: Solve for x
    x = 303,877,062,076.11/553,196.20
  6. Step 6: Final answer
    x = 549,311.55

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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.