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Finding the Fourth Proportional to 495,303.44, 683,169 and 304,424.24

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Solution

The fourth proportional to 495,303.44, 683,169 and 304,424.24 is: 419,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,303.44 : 683,169 = 304,424.24 : x
  2. Step 2: Convert to fraction form
    495,303.44/683,169 = 304,424.24/x
  3. Step 3: Cross multiply
    495,303.44x = 683,169 × 304,424.24
  4. Step 4: Simplify right side
    495,303.44x = 207,973,203,616.56
  5. Step 5: Solve for x
    x = 207,973,203,616.56/495,303.44
  6. Step 6: Final answer
    x = 419,890.49

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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.