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Finding the Fourth Proportional to 523,412.80, 734,436.80 and 523,412.80

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Solution

The fourth proportional to 523,412.80, 734,436.80 and 523,412.80 is: 734,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,412.80 : 734,436.80 = 523,412.80 : x
  2. Step 2: Convert to fraction form
    523,412.80/734,436.80 = 523,412.80/x
  3. Step 3: Cross multiply
    523,412.80x = 734,436.80 × 523,412.80
  4. Step 4: Simplify right side
    523,412.80x = 384,413,621,911.04
  5. Step 5: Solve for x
    x = 384,413,621,911.04/523,412.80
  6. Step 6: Final answer
    x = 734,436.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.