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Finding the Fourth Proportional to 556,890.34, 768,508.98 and 302,241.52

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Solution

The fourth proportional to 556,890.34, 768,508.98 and 302,241.52 is: 417,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,890.34 : 768,508.98 = 302,241.52 : x
  2. Step 2: Convert to fraction form
    556,890.34/768,508.98 = 302,241.52/x
  3. Step 3: Cross multiply
    556,890.34x = 768,508.98 × 302,241.52
  4. Step 4: Simplify right side
    556,890.34x = 232,275,325,130.76
  5. Step 5: Solve for x
    x = 232,275,325,130.76/556,890.34
  6. Step 6: Final answer
    x = 417,093.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.