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Finding the Fourth Proportional to 436,507.10, 602,373.75 and 245,520.62

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Solution

The fourth proportional to 436,507.10, 602,373.75 and 245,520.62 is: 338,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,507.10 : 602,373.75 = 245,520.62 : x
  2. Step 2: Convert to fraction form
    436,507.10/602,373.75 = 245,520.62/x
  3. Step 3: Cross multiply
    436,507.10x = 602,373.75 × 245,520.62
  4. Step 4: Simplify right side
    436,507.10x = 147,895,176,571.73
  5. Step 5: Solve for x
    x = 147,895,176,571.73/436,507.10
  6. Step 6: Final answer
    x = 338,815.05

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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.