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Finding the Fourth Proportional to 580,851.60, 871,277.40 and 433,395.60

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Solution

The fourth proportional to 580,851.60, 871,277.40 and 433,395.60 is: 650,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,851.60 : 871,277.40 = 433,395.60 : x
  2. Step 2: Convert to fraction form
    580,851.60/871,277.40 = 433,395.60/x
  3. Step 3: Cross multiply
    580,851.60x = 871,277.40 × 433,395.60
  4. Step 4: Simplify right side
    580,851.60x = 377,607,791,539.44
  5. Step 5: Solve for x
    x = 377,607,791,539.44/580,851.60
  6. Step 6: Final answer
    x = 650,093.40

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Double scale
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Similar ratio
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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.