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Finding the Fourth Proportional to 649,294.95, 973,942.41 and 175,980.30

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Solution

The fourth proportional to 649,294.95, 973,942.41 and 175,980.30 is: 263,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,294.95 : 973,942.41 = 175,980.30 : x
  2. Step 2: Convert to fraction form
    649,294.95/973,942.41 = 175,980.30/x
  3. Step 3: Cross multiply
    649,294.95x = 973,942.41 × 175,980.30
  4. Step 4: Simplify right side
    649,294.95x = 171,394,677,494.52
  5. Step 5: Solve for x
    x = 171,394,677,494.52/649,294.95
  6. Step 6: Final answer
    x = 263,970.45

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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.