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Finding the Fourth Proportional to 453,224.16, 624,871.44 and 283,396.32

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Solution

The fourth proportional to 453,224.16, 624,871.44 and 283,396.32 is: 390,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,224.16 : 624,871.44 = 283,396.32 : x
  2. Step 2: Convert to fraction form
    453,224.16/624,871.44 = 283,396.32/x
  3. Step 3: Cross multiply
    453,224.16x = 624,871.44 × 283,396.32
  4. Step 4: Simplify right side
    453,224.16x = 177,086,266,569.10
  5. Step 5: Solve for x
    x = 177,086,266,569.10/453,224.16
  6. Step 6: Final answer
    x = 390,725.57

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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.