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Finding the Fourth Proportional to 446,432.76, 615,720.74 and 293,627.82

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Solution

The fourth proportional to 446,432.76, 615,720.74 and 293,627.82 is: 404,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,432.76 : 615,720.74 = 293,627.82 : x
  2. Step 2: Convert to fraction form
    446,432.76/615,720.74 = 293,627.82/x
  3. Step 3: Cross multiply
    446,432.76x = 615,720.74 × 293,627.82
  4. Step 4: Simplify right side
    446,432.76x = 180,792,738,614.99
  5. Step 5: Solve for x
    x = 180,792,738,614.99/446,432.76
  6. Step 6: Final answer
    x = 404,971.93

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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.