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Finding the Fourth Proportional to 223,972,339.70, 335,958,509.55 and 185,708,587.70

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Solution

The fourth proportional to 223,972,339.70, 335,958,509.55 and 185,708,587.70 is: 278,562,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,972,339.70 : 335,958,509.55 = 185,708,587.70 : x
  2. Step 2: Convert to fraction form
    223,972,339.70/335,958,509.55 = 185,708,587.70/x
  3. Step 3: Cross multiply
    223,972,339.70x = 335,958,509.55 × 185,708,587.70
  4. Step 4: Simplify right side
    223,972,339.70x = 62,390,380,334,327,464
  5. Step 5: Solve for x
    x = 62,390,380,334,327,464/223,972,339.70
  6. Step 6: Final answer
    x = 278,562,881.55

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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.