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Finding the Fourth Proportional to 343,015.19, 514,839.00 and 174,656.89

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Solution

The fourth proportional to 343,015.19, 514,839.00 and 174,656.89 is: 262,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,015.19 : 514,839.00 = 174,656.89 : x
  2. Step 2: Convert to fraction form
    343,015.19/514,839.00 = 174,656.89/x
  3. Step 3: Cross multiply
    343,015.19x = 514,839.00 × 174,656.89
  4. Step 4: Simplify right side
    343,015.19x = 89,920,179,889.22
  5. Step 5: Solve for x
    x = 89,920,179,889.22/343,015.19
  6. Step 6: Final answer
    x = 262,146.35

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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.