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Finding the Fourth Proportional to 530,855.76, 733,297.56 and 424,173.84

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Solution

The fourth proportional to 530,855.76, 733,297.56 and 424,173.84 is: 585,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,855.76 : 733,297.56 = 424,173.84 : x
  2. Step 2: Convert to fraction form
    530,855.76/733,297.56 = 424,173.84/x
  3. Step 3: Cross multiply
    530,855.76x = 733,297.56 × 424,173.84
  4. Step 4: Simplify right side
    530,855.76x = 311,045,641,887.83
  5. Step 5: Solve for x
    x = 311,045,641,887.83/530,855.76
  6. Step 6: Final answer
    x = 585,932.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.