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Finding the Fourth Proportional to 996,969.10, 1,495,453.65 and 365,800.90

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Solution

The fourth proportional to 996,969.10, 1,495,453.65 and 365,800.90 is: 548,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,969.10 : 1,495,453.65 = 365,800.90 : x
  2. Step 2: Convert to fraction form
    996,969.10/1,495,453.65 = 365,800.90/x
  3. Step 3: Cross multiply
    996,969.10x = 1,495,453.65 × 365,800.90
  4. Step 4: Simplify right side
    996,969.10x = 547,038,291,078.29
  5. Step 5: Solve for x
    x = 547,038,291,078.29/996,969.10
  6. Step 6: Final answer
    x = 548,701.35

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Similar ratio
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1.5x scale

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.