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Finding the Fourth Proportional to 737,598.60, 1,106,397.90 and 488,280.60

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Solution

The fourth proportional to 737,598.60, 1,106,397.90 and 488,280.60 is: 732,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,598.60 : 1,106,397.90 = 488,280.60 : x
  2. Step 2: Convert to fraction form
    737,598.60/1,106,397.90 = 488,280.60/x
  3. Step 3: Cross multiply
    737,598.60x = 1,106,397.90 × 488,280.60
  4. Step 4: Simplify right side
    737,598.60x = 540,232,630,450.74
  5. Step 5: Solve for x
    x = 540,232,630,450.74/737,598.60
  6. Step 6: Final answer
    x = 732,420.90

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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.