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Finding the Fourth Proportional to 447,265, 617,225.70 and 246,056.68

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Solution

The fourth proportional to 447,265, 617,225.70 and 246,056.68 is: 339,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,265 : 617,225.70 = 246,056.68 : x
  2. Step 2: Convert to fraction form
    447,265/617,225.70 = 246,056.68/x
  3. Step 3: Cross multiply
    447,265x = 617,225.70 × 246,056.68
  4. Step 4: Simplify right side
    447,265x = 151,872,506,552.68
  5. Step 5: Solve for x
    x = 151,872,506,552.68/447,265
  6. Step 6: Final answer
    x = 339,558.22

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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.