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Finding the Fourth Proportional to 459,171.59, 634,262.81 and 382,940.06

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Solution

The fourth proportional to 459,171.59, 634,262.81 and 382,940.06 is: 528,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,171.59 : 634,262.81 = 382,940.06 : x
  2. Step 2: Convert to fraction form
    459,171.59/634,262.81 = 382,940.06/x
  3. Step 3: Cross multiply
    459,171.59x = 634,262.81 × 382,940.06
  4. Step 4: Simplify right side
    459,171.59x = 242,884,633,431.15
  5. Step 5: Solve for x
    x = 242,884,633,431.15/459,171.59
  6. Step 6: Final answer
    x = 528,962.68

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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.