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Finding the Fourth Proportional to 557,627.44, 769,508.76 and 302,973.16

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Solution

The fourth proportional to 557,627.44, 769,508.76 and 302,973.16 is: 418,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,627.44 : 769,508.76 = 302,973.16 : x
  2. Step 2: Convert to fraction form
    557,627.44/769,508.76 = 302,973.16/x
  3. Step 3: Cross multiply
    557,627.44x = 769,508.76 × 302,973.16
  4. Step 4: Simplify right side
    557,627.44x = 233,140,500,664.88
  5. Step 5: Solve for x
    x = 233,140,500,664.88/557,627.44
  6. Step 6: Final answer
    x = 418,093.67

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1.5x scale

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.