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Finding the Fourth Proportional to 579,522.75, 869,274.89 and 158,798.63

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Solution

The fourth proportional to 579,522.75, 869,274.89 and 158,798.63 is: 238,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,522.75 : 869,274.89 = 158,798.63 : x
  2. Step 2: Convert to fraction form
    579,522.75/869,274.89 = 158,798.63/x
  3. Step 3: Cross multiply
    579,522.75x = 869,274.89 × 158,798.63
  4. Step 4: Simplify right side
    579,522.75x = 138,039,658,710.42
  5. Step 5: Solve for x
    x = 138,039,658,710.42/579,522.75
  6. Step 6: Final answer
    x = 238,195.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.