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Finding the Fourth Proportional to 530,636.94, 795,484.94 and 380,499.39

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Solution

The fourth proportional to 530,636.94, 795,484.94 and 380,499.39 is: 570,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,636.94 : 795,484.94 = 380,499.39 : x
  2. Step 2: Convert to fraction form
    530,636.94/795,484.94 = 380,499.39/x
  3. Step 3: Cross multiply
    530,636.94x = 795,484.94 × 380,499.39
  4. Step 4: Simplify right side
    530,636.94x = 302,681,532,521.69
  5. Step 5: Solve for x
    x = 302,681,532,521.69/530,636.94
  6. Step 6: Final answer
    x = 570,411.73

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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.