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Finding the Fourth Proportional to 495,526.10, 743,289.15 and 451,202.90

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Solution

The fourth proportional to 495,526.10, 743,289.15 and 451,202.90 is: 676,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,526.10 : 743,289.15 = 451,202.90 : x
  2. Step 2: Convert to fraction form
    495,526.10/743,289.15 = 451,202.90/x
  3. Step 3: Cross multiply
    495,526.10x = 743,289.15 × 451,202.90
  4. Step 4: Simplify right side
    495,526.10x = 335,374,220,018.54
  5. Step 5: Solve for x
    x = 335,374,220,018.54/495,526.10
  6. Step 6: Final answer
    x = 676,804.35

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Double scale
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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.