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Finding the Fourth Proportional to 446,203.72, 615,532.98 and 284,889.16

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Solution

The fourth proportional to 446,203.72, 615,532.98 and 284,889.16 is: 393,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,203.72 : 615,532.98 = 284,889.16 : x
  2. Step 2: Convert to fraction form
    446,203.72/615,532.98 = 284,889.16/x
  3. Step 3: Cross multiply
    446,203.72x = 615,532.98 × 284,889.16
  4. Step 4: Simplify right side
    446,203.72x = 175,358,673,624.50
  5. Step 5: Solve for x
    x = 175,358,673,624.50/446,203.72
  6. Step 6: Final answer
    x = 393,001.37

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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.