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Finding the Fourth Proportional to 436,644.06, 602,520.60 and 245,654.22

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Solution

The fourth proportional to 436,644.06, 602,520.60 and 245,654.22 is: 338,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,644.06 : 602,520.60 = 245,654.22 : x
  2. Step 2: Convert to fraction form
    436,644.06/602,520.60 = 245,654.22/x
  3. Step 3: Cross multiply
    436,644.06x = 602,520.60 × 245,654.22
  4. Step 4: Simplify right side
    436,644.06x = 148,011,728,319.48
  5. Step 5: Solve for x
    x = 148,011,728,319.48/436,644.06
  6. Step 6: Final answer
    x = 338,975.70

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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.