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Finding the Fourth Proportional to 436,810.63, 602,698.94 and 245,754.31

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Solution

The fourth proportional to 436,810.63, 602,698.94 and 245,754.31 is: 339,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,810.63 : 602,698.94 = 245,754.31 : x
  2. Step 2: Convert to fraction form
    436,810.63/602,698.94 = 245,754.31/x
  3. Step 3: Cross multiply
    436,810.63x = 602,698.94 × 245,754.31
  4. Step 4: Simplify right side
    436,810.63x = 148,115,859,401.91
  5. Step 5: Solve for x
    x = 148,115,859,401.91/436,810.63
  6. Step 6: Final answer
    x = 339,084.83

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1.5x scale

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.