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Finding the Fourth Proportional to 452,817.92, 624,230.24 and 316,428.55

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Solution

The fourth proportional to 452,817.92, 624,230.24 and 316,428.55 is: 436,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,817.92 : 624,230.24 = 316,428.55 : x
  2. Step 2: Convert to fraction form
    452,817.92/624,230.24 = 316,428.55/x
  3. Step 3: Cross multiply
    452,817.92x = 624,230.24 × 316,428.55
  4. Step 4: Simplify right side
    452,817.92x = 197,524,266,566.63
  5. Step 5: Solve for x
    x = 197,524,266,566.63/452,817.92
  6. Step 6: Final answer
    x = 436,211.24

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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.