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Finding the Fourth Proportional to 366,985.60, 550,478.40 and 366,985.60

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Solution

The fourth proportional to 366,985.60, 550,478.40 and 366,985.60 is: 550,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.60 : 550,478.40 = 366,985.60 : x
  2. Step 2: Convert to fraction form
    366,985.60/550,478.40 = 366,985.60/x
  3. Step 3: Cross multiply
    366,985.60x = 550,478.40 × 366,985.60
  4. Step 4: Simplify right side
    366,985.60x = 202,017,645,911.04
  5. Step 5: Solve for x
    x = 202,017,645,911.04/366,985.60
  6. Step 6: Final answer
    x = 550,478.40

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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.