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Finding the Fourth Proportional to 446,813.42, 616,602.48 and 245,609.42

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Solution

The fourth proportional to 446,813.42, 616,602.48 and 245,609.42 is: 338,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,813.42 : 616,602.48 = 245,609.42 : x
  2. Step 2: Convert to fraction form
    446,813.42/616,602.48 = 245,609.42/x
  3. Step 3: Cross multiply
    446,813.42x = 616,602.48 × 245,609.42
  4. Step 4: Simplify right side
    446,813.42x = 151,443,377,483.36
  5. Step 5: Solve for x
    x = 151,443,377,483.36/446,813.42
  6. Step 6: Final answer
    x = 338,940.98

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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.