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Finding the Fourth Proportional to 586,084.12, 808,953.78 and 344,528.56

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Solution

The fourth proportional to 586,084.12, 808,953.78 and 344,528.56 is: 475,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,084.12 : 808,953.78 = 344,528.56 : x
  2. Step 2: Convert to fraction form
    586,084.12/808,953.78 = 344,528.56/x
  3. Step 3: Cross multiply
    586,084.12x = 808,953.78 × 344,528.56
  4. Step 4: Simplify right side
    586,084.12x = 278,707,680,929.96
  5. Step 5: Solve for x
    x = 278,707,680,929.96/586,084.12
  6. Step 6: Final answer
    x = 475,542.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.