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Finding the Fourth Proportional to 459,448.98, 633,946.67 and 268,425.48

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Solution

The fourth proportional to 459,448.98, 633,946.67 and 268,425.48 is: 370,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,448.98 : 633,946.67 = 268,425.48 : x
  2. Step 2: Convert to fraction form
    459,448.98/633,946.67 = 268,425.48/x
  3. Step 3: Cross multiply
    459,448.98x = 633,946.67 × 268,425.48
  4. Step 4: Simplify right side
    459,448.98x = 170,167,437,847.02
  5. Step 5: Solve for x
    x = 170,167,437,847.02/459,448.98
  6. Step 6: Final answer
    x = 370,372.87

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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.