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Finding the Fourth Proportional to 749,907.84, 1,124,978.94 and 244,351.56

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Solution

The fourth proportional to 749,907.84, 1,124,978.94 and 244,351.56 is: 366,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,907.84 : 1,124,978.94 = 244,351.56 : x
  2. Step 2: Convert to fraction form
    749,907.84/1,124,978.94 = 244,351.56/x
  3. Step 3: Cross multiply
    749,907.84x = 1,124,978.94 × 244,351.56
  4. Step 4: Simplify right side
    749,907.84x = 274,890,358,956.15
  5. Step 5: Solve for x
    x = 274,890,358,956.15/749,907.84
  6. Step 6: Final answer
    x = 366,565.52

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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.