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Finding the Fourth Proportional to 496,764.90, 745,475.40 and 283,532.40

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Solution

The fourth proportional to 496,764.90, 745,475.40 and 283,532.40 is: 425,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,764.90 : 745,475.40 = 283,532.40 : x
  2. Step 2: Convert to fraction form
    496,764.90/745,475.40 = 283,532.40/x
  3. Step 3: Cross multiply
    496,764.90x = 745,475.40 × 283,532.40
  4. Step 4: Simplify right side
    496,764.90x = 211,366,429,302.96
  5. Step 5: Solve for x
    x = 211,366,429,302.96/496,764.90
  6. Step 6: Final answer
    x = 425,485.84

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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.