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Finding the Fourth Proportional to 997,066.80, 1,495,427.40 and 365,655.60

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Solution

The fourth proportional to 997,066.80, 1,495,427.40 and 365,655.60 is: 548,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,066.80 : 1,495,427.40 = 365,655.60 : x
  2. Step 2: Convert to fraction form
    997,066.80/1,495,427.40 = 365,655.60/x
  3. Step 3: Cross multiply
    997,066.80x = 1,495,427.40 × 365,655.60
  4. Step 4: Simplify right side
    997,066.80x = 546,811,403,203.44
  5. Step 5: Solve for x
    x = 546,811,403,203.44/997,066.80
  6. Step 6: Final answer
    x = 548,420.03

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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.