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Finding the Fourth Proportional to 344,780.58, 517,069.83 and 134,368.26

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Solution

The fourth proportional to 344,780.58, 517,069.83 and 134,368.26 is: 201,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,780.58 : 517,069.83 = 134,368.26 : x
  2. Step 2: Convert to fraction form
    344,780.58/517,069.83 = 134,368.26/x
  3. Step 3: Cross multiply
    344,780.58x = 517,069.83 × 134,368.26
  4. Step 4: Simplify right side
    344,780.58x = 69,477,773,355.60
  5. Step 5: Solve for x
    x = 69,477,773,355.60/344,780.58
  6. Step 6: Final answer
    x = 201,513.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.