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Finding the Fourth Proportional to 719,298.52, 993,029.70 and 432,889

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Solution

The fourth proportional to 719,298.52, 993,029.70 and 432,889 is: 597,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,298.52 : 993,029.70 = 432,889 : x
  2. Step 2: Convert to fraction form
    719,298.52/993,029.70 = 432,889/x
  3. Step 3: Cross multiply
    719,298.52x = 993,029.70 × 432,889
  4. Step 4: Simplify right side
    719,298.52x = 429,871,633,803.30
  5. Step 5: Solve for x
    x = 429,871,633,803.30/719,298.52
  6. Step 6: Final answer
    x = 597,626.19

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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.