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Finding the Fourth Proportional to 514,093.76, 709,452.96 and 299,359.04

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Solution

The fourth proportional to 514,093.76, 709,452.96 and 299,359.04 is: 413,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,093.76 : 709,452.96 = 299,359.04 : x
  2. Step 2: Convert to fraction form
    514,093.76/709,452.96 = 299,359.04/x
  3. Step 3: Cross multiply
    514,093.76x = 709,452.96 × 299,359.04
  4. Step 4: Simplify right side
    514,093.76x = 212,381,157,030.76
  5. Step 5: Solve for x
    x = 212,381,157,030.76/514,093.76
  6. Step 6: Final answer
    x = 413,117.55

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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.