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Finding the Fourth Proportional to 336,312.50, 463,848.68 and 215,464.94

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Solution

The fourth proportional to 336,312.50, 463,848.68 and 215,464.94 is: 297,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,312.50 : 463,848.68 = 215,464.94 : x
  2. Step 2: Convert to fraction form
    336,312.50/463,848.68 = 215,464.94/x
  3. Step 3: Cross multiply
    336,312.50x = 463,848.68 × 215,464.94
  4. Step 4: Simplify right side
    336,312.50x = 99,943,128,005.28
  5. Step 5: Solve for x
    x = 99,943,128,005.28/336,312.50
  6. Step 6: Final answer
    x = 297,173.40

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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.