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Finding the Fourth Proportional to 446,685.91, 616,424.53 and 242,732.97

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Solution

The fourth proportional to 446,685.91, 616,424.53 and 242,732.97 is: 334,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,685.91 : 616,424.53 = 242,732.97 : x
  2. Step 2: Convert to fraction form
    446,685.91/616,424.53 = 242,732.97/x
  3. Step 3: Cross multiply
    446,685.91x = 616,424.53 × 242,732.97
  4. Step 4: Simplify right side
    446,685.91x = 149,626,556,796.05
  5. Step 5: Solve for x
    x = 149,626,556,796.05/446,685.91
  6. Step 6: Final answer
    x = 334,970.40

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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.