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Finding the Fourth Proportional to 444,036.19, 666,136.42 and 140,506.76

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Solution

The fourth proportional to 444,036.19, 666,136.42 and 140,506.76 is: 210,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,036.19 : 666,136.42 = 140,506.76 : x
  2. Step 2: Convert to fraction form
    444,036.19/666,136.42 = 140,506.76/x
  3. Step 3: Cross multiply
    444,036.19x = 666,136.42 × 140,506.76
  4. Step 4: Simplify right side
    444,036.19x = 93,596,671,406.27
  5. Step 5: Solve for x
    x = 93,596,671,406.27/444,036.19
  6. Step 6: Final answer
    x = 210,786.13

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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.