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Finding the Fourth Proportional to 554,176.58, 831,576.29 and 301,474.78

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Solution

The fourth proportional to 554,176.58, 831,576.29 and 301,474.78 is: 452,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,176.58 : 831,576.29 = 301,474.78 : x
  2. Step 2: Convert to fraction form
    554,176.58/831,576.29 = 301,474.78/x
  3. Step 3: Cross multiply
    554,176.58x = 831,576.29 × 301,474.78
  4. Step 4: Simplify right side
    554,176.58x = 250,699,275,494.65
  5. Step 5: Solve for x
    x = 250,699,275,494.65/554,176.58
  6. Step 6: Final answer
    x = 452,381.58

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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.