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Finding the Fourth Proportional to 556,366.70, 834,416.40 and 157,044.80

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Solution

The fourth proportional to 556,366.70, 834,416.40 and 157,044.80 is: 235,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,366.70 : 834,416.40 = 157,044.80 : x
  2. Step 2: Convert to fraction form
    556,366.70/834,416.40 = 157,044.80/x
  3. Step 3: Cross multiply
    556,366.70x = 834,416.40 × 157,044.80
  4. Step 4: Simplify right side
    556,366.70x = 131,040,756,654.72
  5. Step 5: Solve for x
    x = 131,040,756,654.72/556,366.70
  6. Step 6: Final answer
    x = 235,529.47

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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.