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Finding the Fourth Proportional to 628,305.60, 941,421.60 and 534,993.60

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Solution

The fourth proportional to 628,305.60, 941,421.60 and 534,993.60 is: 801,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,305.60 : 941,421.60 = 534,993.60 : x
  2. Step 2: Convert to fraction form
    628,305.60/941,421.60 = 534,993.60/x
  3. Step 3: Cross multiply
    628,305.60x = 941,421.60 × 534,993.60
  4. Step 4: Simplify right side
    628,305.60x = 503,654,530,901.76
  5. Step 5: Solve for x
    x = 503,654,530,901.76/628,305.60
  6. Step 6: Final answer
    x = 801,607.58

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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.