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Finding the Fourth Proportional to 405,089.32, 559,070.76 and 244,025.68

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Solution

The fourth proportional to 405,089.32, 559,070.76 and 244,025.68 is: 336,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,089.32 : 559,070.76 = 244,025.68 : x
  2. Step 2: Convert to fraction form
    405,089.32/559,070.76 = 244,025.68/x
  3. Step 3: Cross multiply
    405,089.32x = 559,070.76 × 244,025.68
  4. Step 4: Simplify right side
    405,089.32x = 136,427,622,377.12
  5. Step 5: Solve for x
    x = 136,427,622,377.12/405,089.32
  6. Step 6: Final answer
    x = 336,784.05

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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.