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Finding the Fourth Proportional to 436,374.32, 602,184.36 and 264,394.11

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Solution

The fourth proportional to 436,374.32, 602,184.36 and 264,394.11 is: 364,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,374.32 : 602,184.36 = 264,394.11 : x
  2. Step 2: Convert to fraction form
    436,374.32/602,184.36 = 264,394.11/x
  3. Step 3: Cross multiply
    436,374.32x = 602,184.36 × 264,394.11
  4. Step 4: Simplify right side
    436,374.32x = 159,213,997,918.12
  5. Step 5: Solve for x
    x = 159,213,997,918.12/436,374.32
  6. Step 6: Final answer
    x = 364,856.48

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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.