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Finding the Fourth Proportional to 556,266.09, 834,123.09 and 177,137.42

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Solution

The fourth proportional to 556,266.09, 834,123.09 and 177,137.42 is: 265,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,266.09 : 834,123.09 = 177,137.42 : x
  2. Step 2: Convert to fraction form
    556,266.09/834,123.09 = 177,137.42/x
  3. Step 3: Cross multiply
    556,266.09x = 834,123.09 × 177,137.42
  4. Step 4: Simplify right side
    556,266.09x = 147,754,412,125.03
  5. Step 5: Solve for x
    x = 147,754,412,125.03/556,266.09
  6. Step 6: Final answer
    x = 265,618.23

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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.