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Finding the Fourth Proportional to 488,303.07, 731,864.11 and 251,516.58

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Solution

The fourth proportional to 488,303.07, 731,864.11 and 251,516.58 is: 376,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,303.07 : 731,864.11 = 251,516.58 : x
  2. Step 2: Convert to fraction form
    488,303.07/731,864.11 = 251,516.58/x
  3. Step 3: Cross multiply
    488,303.07x = 731,864.11 × 251,516.58
  4. Step 4: Simplify right side
    488,303.07x = 184,075,957,971.94
  5. Step 5: Solve for x
    x = 184,075,957,971.94/488,303.07
  6. Step 6: Final answer
    x = 376,970.72

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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.