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Finding the Fourth Proportional to 436,351.98, 602,169.32 and 245,363.70

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Solution

The fourth proportional to 436,351.98, 602,169.32 and 245,363.70 is: 338,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,351.98 : 602,169.32 = 245,363.70 : x
  2. Step 2: Convert to fraction form
    436,351.98/602,169.32 = 245,363.70/x
  3. Step 3: Cross multiply
    436,351.98x = 602,169.32 × 245,363.70
  4. Step 4: Simplify right side
    436,351.98x = 147,750,492,381.68
  5. Step 5: Solve for x
    x = 147,750,492,381.68/436,351.98
  6. Step 6: Final answer
    x = 338,603.92

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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.