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Finding the Fourth Proportional to 580,860.60, 871,290.90 and 433,404.60

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Solution

The fourth proportional to 580,860.60, 871,290.90 and 433,404.60 is: 650,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,860.60 : 871,290.90 = 433,404.60 : x
  2. Step 2: Convert to fraction form
    580,860.60/871,290.90 = 433,404.60/x
  3. Step 3: Cross multiply
    580,860.60x = 871,290.90 × 433,404.60
  4. Step 4: Simplify right side
    580,860.60x = 377,621,483,998.14
  5. Step 5: Solve for x
    x = 377,621,483,998.14/580,860.60
  6. Step 6: Final answer
    x = 650,106.90

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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.