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Finding the Fourth Proportional to 580,601.40, 869,735.70 and 403,308.60

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Solution

The fourth proportional to 580,601.40, 869,735.70 and 403,308.60 is: 604,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,601.40 : 869,735.70 = 403,308.60 : x
  2. Step 2: Convert to fraction form
    580,601.40/869,735.70 = 403,308.60/x
  3. Step 3: Cross multiply
    580,601.40x = 869,735.70 × 403,308.60
  4. Step 4: Simplify right side
    580,601.40x = 350,771,887,537.02
  5. Step 5: Solve for x
    x = 350,771,887,537.02/580,601.40
  6. Step 6: Final answer
    x = 604,152.67

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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.