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Finding the Fourth Proportional to 406,551.41, 561,025.81 and 234,476.58

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Solution

The fourth proportional to 406,551.41, 561,025.81 and 234,476.58 is: 323,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,551.41 : 561,025.81 = 234,476.58 : x
  2. Step 2: Convert to fraction form
    406,551.41/561,025.81 = 234,476.58/x
  3. Step 3: Cross multiply
    406,551.41x = 561,025.81 × 234,476.58
  4. Step 4: Simplify right side
    406,551.41x = 131,547,412,461.70
  5. Step 5: Solve for x
    x = 131,547,412,461.70/406,551.41
  6. Step 6: Final answer
    x = 323,568.95

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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.