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Finding the Fourth Proportional to 450,457.76, 621,361.56 and 297,496.24

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Solution

The fourth proportional to 450,457.76, 621,361.56 and 297,496.24 is: 410,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,457.76 : 621,361.56 = 297,496.24 : x
  2. Step 2: Convert to fraction form
    450,457.76/621,361.56 = 297,496.24/x
  3. Step 3: Cross multiply
    450,457.76x = 621,361.56 × 297,496.24
  4. Step 4: Simplify right side
    450,457.76x = 184,852,728,327.78
  5. Step 5: Solve for x
    x = 184,852,728,327.78/450,457.76
  6. Step 6: Final answer
    x = 410,366.40

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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.