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Finding the Fourth Proportional to 607,885.60, 913,383.60 and 539,456.80

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Solution

The fourth proportional to 607,885.60, 913,383.60 and 539,456.80 is: 810,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,885.60 : 913,383.60 = 539,456.80 : x
  2. Step 2: Convert to fraction form
    607,885.60/913,383.60 = 539,456.80/x
  3. Step 3: Cross multiply
    607,885.60x = 913,383.60 × 539,456.80
  4. Step 4: Simplify right side
    607,885.60x = 492,730,994,028.48
  5. Step 5: Solve for x
    x = 492,730,994,028.48/607,885.60
  6. Step 6: Final answer
    x = 810,565.33

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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.