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Finding the Fourth Proportional to 446,963.54, 616,835.88 and 253,386.68

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Solution

The fourth proportional to 446,963.54, 616,835.88 and 253,386.68 is: 349,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,963.54 : 616,835.88 = 253,386.68 : x
  2. Step 2: Convert to fraction form
    446,963.54/616,835.88 = 253,386.68/x
  3. Step 3: Cross multiply
    446,963.54x = 616,835.88 × 253,386.68
  4. Step 4: Simplify right side
    446,963.54x = 156,297,992,653.90
  5. Step 5: Solve for x
    x = 156,297,992,653.90/446,963.54
  6. Step 6: Final answer
    x = 349,688.47

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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.