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Finding the Fourth Proportional to 503,506.08, 695,056.08 and 360,016.80

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Solution

The fourth proportional to 503,506.08, 695,056.08 and 360,016.80 is: 496,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,506.08 : 695,056.08 = 360,016.80 : x
  2. Step 2: Convert to fraction form
    503,506.08/695,056.08 = 360,016.80/x
  3. Step 3: Cross multiply
    503,506.08x = 695,056.08 × 360,016.80
  4. Step 4: Simplify right side
    503,506.08x = 250,231,865,742.14
  5. Step 5: Solve for x
    x = 250,231,865,742.14/503,506.08
  6. Step 6: Final answer
    x = 496,978.84

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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.