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Finding the Fourth Proportional to 383,871.60, 575,807.40 and 373,503.60

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Solution

The fourth proportional to 383,871.60, 575,807.40 and 373,503.60 is: 560,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,871.60 : 575,807.40 = 373,503.60 : x
  2. Step 2: Convert to fraction form
    383,871.60/575,807.40 = 373,503.60/x
  3. Step 3: Cross multiply
    383,871.60x = 575,807.40 × 373,503.60
  4. Step 4: Simplify right side
    383,871.60x = 215,066,136,806.64
  5. Step 5: Solve for x
    x = 215,066,136,806.64/383,871.60
  6. Step 6: Final answer
    x = 560,255.40

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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.