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Finding the Fourth Proportional to 436,412.52, 602,243.40 and 245,425.80

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Solution

The fourth proportional to 436,412.52, 602,243.40 and 245,425.80 is: 338,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,412.52 : 602,243.40 = 245,425.80 : x
  2. Step 2: Convert to fraction form
    436,412.52/602,243.40 = 245,425.80/x
  3. Step 3: Cross multiply
    436,412.52x = 602,243.40 × 245,425.80
  4. Step 4: Simplify right side
    436,412.52x = 147,806,068,239.72
  5. Step 5: Solve for x
    x = 147,806,068,239.72/436,412.52
  6. Step 6: Final answer
    x = 338,684.30

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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.