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Finding the Fourth Proportional to 886,903.80, 1,328,606.10 and 530,860.20

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Solution

The fourth proportional to 886,903.80, 1,328,606.10 and 530,860.20 is: 795,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,903.80 : 1,328,606.10 = 530,860.20 : x
  2. Step 2: Convert to fraction form
    886,903.80/1,328,606.10 = 530,860.20/x
  3. Step 3: Cross multiply
    886,903.80x = 1,328,606.10 × 530,860.20
  4. Step 4: Simplify right side
    886,903.80x = 705,304,099,967.22
  5. Step 5: Solve for x
    x = 705,304,099,967.22/886,903.80
  6. Step 6: Final answer
    x = 795,243.07

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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.