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Finding the Fourth Proportional to 367,071.60, 550,607.40 and 328,580.40

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Solution

The fourth proportional to 367,071.60, 550,607.40 and 328,580.40 is: 492,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,071.60 : 550,607.40 = 328,580.40 : x
  2. Step 2: Convert to fraction form
    367,071.60/550,607.40 = 328,580.40/x
  3. Step 3: Cross multiply
    367,071.60x = 550,607.40 × 328,580.40
  4. Step 4: Simplify right side
    367,071.60x = 180,918,799,734.96
  5. Step 5: Solve for x
    x = 180,918,799,734.96/367,071.60
  6. Step 6: Final answer
    x = 492,870.60

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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.