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Finding the Fourth Proportional to 433,487.70, 605,701.80 and 433,487.70

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Solution

The fourth proportional to 433,487.70, 605,701.80 and 433,487.70 is: 605,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,487.70 : 605,701.80 = 433,487.70 : x
  2. Step 2: Convert to fraction form
    433,487.70/605,701.80 = 433,487.70/x
  3. Step 3: Cross multiply
    433,487.70x = 605,701.80 × 433,487.70
  4. Step 4: Simplify right side
    433,487.70x = 262,564,280,167.86
  5. Step 5: Solve for x
    x = 262,564,280,167.86/433,487.70
  6. Step 6: Final answer
    x = 605,701.80

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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.