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Finding the Fourth Proportional to 539,124.40, 808,686.60 and 414,708.40

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Solution

The fourth proportional to 539,124.40, 808,686.60 and 414,708.40 is: 622,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,124.40 : 808,686.60 = 414,708.40 : x
  2. Step 2: Convert to fraction form
    539,124.40/808,686.60 = 414,708.40/x
  3. Step 3: Cross multiply
    539,124.40x = 808,686.60 × 414,708.40
  4. Step 4: Simplify right side
    539,124.40x = 335,369,125,987.44
  5. Step 5: Solve for x
    x = 335,369,125,987.44/539,124.40
  6. Step 6: Final answer
    x = 622,062.60

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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.