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Finding the Fourth Proportional to 446,434.96, 615,905.76 and 255,346.24

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Solution

The fourth proportional to 446,434.96, 615,905.76 and 255,346.24 is: 352,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,434.96 : 615,905.76 = 255,346.24 : x
  2. Step 2: Convert to fraction form
    446,434.96/615,905.76 = 255,346.24/x
  3. Step 3: Cross multiply
    446,434.96x = 615,905.76 × 255,346.24
  4. Step 4: Simplify right side
    446,434.96x = 157,269,220,010.34
  5. Step 5: Solve for x
    x = 157,269,220,010.34/446,434.96
  6. Step 6: Final answer
    x = 352,278.01

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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.