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Finding the Fourth Proportional to 997,066.55, 1,495,427.03 and 365,655.35

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Solution

The fourth proportional to 997,066.55, 1,495,427.03 and 365,655.35 is: 548,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,066.55 : 1,495,427.03 = 365,655.35 : x
  2. Step 2: Convert to fraction form
    997,066.55/1,495,427.03 = 365,655.35/x
  3. Step 3: Cross multiply
    997,066.55x = 1,495,427.03 × 365,655.35
  4. Step 4: Simplify right side
    997,066.55x = 546,810,892,225.83
  5. Step 5: Solve for x
    x = 546,810,892,225.83/997,066.55
  6. Step 6: Final answer
    x = 548,419.65

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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.