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Finding the Fourth Proportional to 336,316, 463,853.52 and 215,468.50

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Solution

The fourth proportional to 336,316, 463,853.52 and 215,468.50 is: 297,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,316 : 463,853.52 = 215,468.50 : x
  2. Step 2: Convert to fraction form
    336,316/463,853.52 = 215,468.50/x
  3. Step 3: Cross multiply
    336,316x = 463,853.52 × 215,468.50
  4. Step 4: Simplify right side
    336,316x = 99,945,822,174.12
  5. Step 5: Solve for x
    x = 99,945,822,174.12/336,316
  6. Step 6: Final answer
    x = 297,178.31

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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.