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Finding the Fourth Proportional to 551,141.84, 826,717.20 and 151,804.64

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Solution

The fourth proportional to 551,141.84, 826,717.20 and 151,804.64 is: 227,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,141.84 : 826,717.20 = 151,804.64 : x
  2. Step 2: Convert to fraction form
    551,141.84/826,717.20 = 151,804.64/x
  3. Step 3: Cross multiply
    551,141.84x = 826,717.20 × 151,804.64
  4. Step 4: Simplify right side
    551,141.84x = 125,499,506,927.81
  5. Step 5: Solve for x
    x = 125,499,506,927.81/551,141.84
  6. Step 6: Final answer
    x = 227,708.18

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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.