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Finding the Fourth Proportional to 484,445.96, 668,742.53 and 344,835.48

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Solution

The fourth proportional to 484,445.96, 668,742.53 and 344,835.48 is: 476,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,445.96 : 668,742.53 = 344,835.48 : x
  2. Step 2: Convert to fraction form
    484,445.96/668,742.53 = 344,835.48/x
  3. Step 3: Cross multiply
    484,445.96x = 668,742.53 × 344,835.48
  4. Step 4: Simplify right side
    484,445.96x = 230,606,150,290.59
  5. Step 5: Solve for x
    x = 230,606,150,290.59/484,445.96
  6. Step 6: Final answer
    x = 476,020.38

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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.