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Finding the Fourth Proportional to 452,830.64, 624,912.75 and 248,900.42

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Solution

The fourth proportional to 452,830.64, 624,912.75 and 248,900.42 is: 343,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,830.64 : 624,912.75 = 248,900.42 : x
  2. Step 2: Convert to fraction form
    452,830.64/624,912.75 = 248,900.42/x
  3. Step 3: Cross multiply
    452,830.64x = 624,912.75 × 248,900.42
  4. Step 4: Simplify right side
    452,830.64x = 155,541,045,938.36
  5. Step 5: Solve for x
    x = 155,541,045,938.36/452,830.64
  6. Step 6: Final answer
    x = 343,486.13

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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.