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Finding the Fourth Proportional to 433,541.70, 650,312.55 and 404,017.20

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Solution

The fourth proportional to 433,541.70, 650,312.55 and 404,017.20 is: 606,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,541.70 : 650,312.55 = 404,017.20 : x
  2. Step 2: Convert to fraction form
    433,541.70/650,312.55 = 404,017.20/x
  3. Step 3: Cross multiply
    433,541.70x = 650,312.55 × 404,017.20
  4. Step 4: Simplify right side
    433,541.70x = 262,737,455,575.86
  5. Step 5: Solve for x
    x = 262,737,455,575.86/433,541.70
  6. Step 6: Final answer
    x = 606,025.80

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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.