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Finding the Fourth Proportional to 469,016.60, 702,488.10 and 363,003.80

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Solution

The fourth proportional to 469,016.60, 702,488.10 and 363,003.80 is: 543,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,016.60 : 702,488.10 = 363,003.80 : x
  2. Step 2: Convert to fraction form
    469,016.60/702,488.10 = 363,003.80/x
  3. Step 3: Cross multiply
    469,016.60x = 702,488.10 × 363,003.80
  4. Step 4: Simplify right side
    469,016.60x = 255,005,849,754.78
  5. Step 5: Solve for x
    x = 255,005,849,754.78/469,016.60
  6. Step 6: Final answer
    x = 543,703.25

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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.