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Finding the Fourth Proportional to 475,742.92, 713,436.59 and 191,337.48

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Solution

The fourth proportional to 475,742.92, 713,436.59 and 191,337.48 is: 286,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,742.92 : 713,436.59 = 191,337.48 : x
  2. Step 2: Convert to fraction form
    475,742.92/713,436.59 = 191,337.48/x
  3. Step 3: Cross multiply
    475,742.92x = 713,436.59 × 191,337.48
  4. Step 4: Simplify right side
    475,742.92x = 136,507,159,270.39
  5. Step 5: Solve for x
    x = 136,507,159,270.39/475,742.92
  6. Step 6: Final answer
    x = 286,934.72

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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.