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Finding the Fourth Proportional to 343,463.70, 514,955.55 and 203,150.10

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Solution

The fourth proportional to 343,463.70, 514,955.55 and 203,150.10 is: 304,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,463.70 : 514,955.55 = 203,150.10 : x
  2. Step 2: Convert to fraction form
    343,463.70/514,955.55 = 203,150.10/x
  3. Step 3: Cross multiply
    343,463.70x = 514,955.55 × 203,150.10
  4. Step 4: Simplify right side
    343,463.70x = 104,613,271,478.06
  5. Step 5: Solve for x
    x = 104,613,271,478.06/343,463.70
  6. Step 6: Final answer
    x = 304,583.20

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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.