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Finding the Fourth Proportional to 603,732.30, 905,598.45 and 540,746.70

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Solution

The fourth proportional to 603,732.30, 905,598.45 and 540,746.70 is: 811,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,732.30 : 905,598.45 = 540,746.70 : x
  2. Step 2: Convert to fraction form
    603,732.30/905,598.45 = 540,746.70/x
  3. Step 3: Cross multiply
    603,732.30x = 905,598.45 × 540,746.70
  4. Step 4: Simplify right side
    603,732.30x = 489,699,373,362.62
  5. Step 5: Solve for x
    x = 489,699,373,362.62/603,732.30
  6. Step 6: Final answer
    x = 811,120.05

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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.