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Finding the Fourth Proportional to 436,763.46, 602,684.72 and 245,842.50

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Solution

The fourth proportional to 436,763.46, 602,684.72 and 245,842.50 is: 339,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,763.46 : 602,684.72 = 245,842.50 : x
  2. Step 2: Convert to fraction form
    436,763.46/602,684.72 = 245,842.50/x
  3. Step 3: Cross multiply
    436,763.46x = 602,684.72 × 245,842.50
  4. Step 4: Simplify right side
    436,763.46x = 148,165,518,276.60
  5. Step 5: Solve for x
    x = 148,165,518,276.60/436,763.46
  6. Step 6: Final answer
    x = 339,235.15

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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.