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Finding the Fourth Proportional to 441,445.56, 609,009.06 and 277,812.19

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Solution

The fourth proportional to 441,445.56, 609,009.06 and 277,812.19 is: 383,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,445.56 : 609,009.06 = 277,812.19 : x
  2. Step 2: Convert to fraction form
    441,445.56/609,009.06 = 277,812.19/x
  3. Step 3: Cross multiply
    441,445.56x = 609,009.06 × 277,812.19
  4. Step 4: Simplify right side
    441,445.56x = 169,190,142,491.50
  5. Step 5: Solve for x
    x = 169,190,142,491.50/441,445.56
  6. Step 6: Final answer
    x = 383,263.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.