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Finding the Fourth Proportional to 539,115.10, 808,672.65 and 444,636.70

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Solution

The fourth proportional to 539,115.10, 808,672.65 and 444,636.70 is: 666,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,115.10 : 808,672.65 = 444,636.70 : x
  2. Step 2: Convert to fraction form
    539,115.10/808,672.65 = 444,636.70/x
  3. Step 3: Cross multiply
    539,115.10x = 808,672.65 × 444,636.70
  4. Step 4: Simplify right side
    539,115.10x = 359,565,538,476.26
  5. Step 5: Solve for x
    x = 359,565,538,476.26/539,115.10
  6. Step 6: Final answer
    x = 666,955.05

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Similar ratio
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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.