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Finding the Fourth Proportional to 503,279,980.80, 754,569,001.96 and 223,008,459.96

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Solution

The fourth proportional to 503,279,980.80, 754,569,001.96 and 223,008,459.96 is: 334,357,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,279,980.80 : 754,569,001.96 = 223,008,459.96 : x
  2. Step 2: Convert to fraction form
    503,279,980.80/754,569,001.96 = 223,008,459.96/x
  3. Step 3: Cross multiply
    503,279,980.80x = 754,569,001.96 × 223,008,459.96
  4. Step 4: Simplify right side
    503,279,980.80x = 168,275,271,060,653,824
  5. Step 5: Solve for x
    x = 168,275,271,060,653,824/503,279,980.80
  6. Step 6: Final answer
    x = 334,357,171.91

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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.