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Finding the Fourth Proportional to 514,674.95, 771,302.39 and 371,378.43

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Solution

The fourth proportional to 514,674.95, 771,302.39 and 371,378.43 is: 556,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,674.95 : 771,302.39 = 371,378.43 : x
  2. Step 2: Convert to fraction form
    514,674.95/771,302.39 = 371,378.43/x
  3. Step 3: Cross multiply
    514,674.95x = 771,302.39 × 371,378.43
  4. Step 4: Simplify right side
    514,674.95x = 286,445,068,796.56
  5. Step 5: Solve for x
    x = 286,445,068,796.56/514,674.95
  6. Step 6: Final answer
    x = 556,555.30

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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.