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Finding the Fourth Proportional to 436,668.56, 602,570.16 and 245,645.12

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Solution

The fourth proportional to 436,668.56, 602,570.16 and 245,645.12 is: 338,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,668.56 : 602,570.16 = 245,645.12 : x
  2. Step 2: Convert to fraction form
    436,668.56/602,570.16 = 245,645.12/x
  3. Step 3: Cross multiply
    436,668.56x = 602,570.16 × 245,645.12
  4. Step 4: Simplify right side
    436,668.56x = 148,018,419,261.62
  5. Step 5: Solve for x
    x = 148,018,419,261.62/436,668.56
  6. Step 6: Final answer
    x = 338,972.01

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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.