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Finding the Fourth Proportional to 372,583, 514,164.60 and 202,818.40

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Solution

The fourth proportional to 372,583, 514,164.60 and 202,818.40 is: 279,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,583 : 514,164.60 = 202,818.40 : x
  2. Step 2: Convert to fraction form
    372,583/514,164.60 = 202,818.40/x
  3. Step 3: Cross multiply
    372,583x = 514,164.60 × 202,818.40
  4. Step 4: Simplify right side
    372,583x = 104,282,041,508.64
  5. Step 5: Solve for x
    x = 104,282,041,508.64/372,583
  6. Step 6: Final answer
    x = 279,889.42

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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.