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Finding the Fourth Proportional to 475,655.42, 713,516.69 and 191,347.74

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Solution

The fourth proportional to 475,655.42, 713,516.69 and 191,347.74 is: 287,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,655.42 : 713,516.69 = 191,347.74 : x
  2. Step 2: Convert to fraction form
    475,655.42/713,516.69 = 191,347.74/x
  3. Step 3: Cross multiply
    475,655.42x = 713,516.69 × 191,347.74
  4. Step 4: Simplify right side
    475,655.42x = 136,529,806,562.15
  5. Step 5: Solve for x
    x = 136,529,806,562.15/475,655.42
  6. Step 6: Final answer
    x = 287,035.11

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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.