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Finding the Fourth Proportional to 446,543.50, 616,239.75 and 245,339.50

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Solution

The fourth proportional to 446,543.50, 616,239.75 and 245,339.50 is: 338,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,543.50 : 616,239.75 = 245,339.50 : x
  2. Step 2: Convert to fraction form
    446,543.50/616,239.75 = 245,339.50/x
  3. Step 3: Cross multiply
    446,543.50x = 616,239.75 × 245,339.50
  4. Step 4: Simplify right side
    446,543.50x = 151,187,952,145.13
  5. Step 5: Solve for x
    x = 151,187,952,145.13/446,543.50
  6. Step 6: Final answer
    x = 338,573.85

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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.