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Finding the Fourth Proportional to 874,592.71, 1,206,525.58 and 511,794.01

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Solution

The fourth proportional to 874,592.71, 1,206,525.58 and 511,794.01 is: 706,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,592.71 : 1,206,525.58 = 511,794.01 : x
  2. Step 2: Convert to fraction form
    874,592.71/1,206,525.58 = 511,794.01/x
  3. Step 3: Cross multiply
    874,592.71x = 1,206,525.58 × 511,794.01
  4. Step 4: Simplify right side
    874,592.71x = 617,492,564,984.45
  5. Step 5: Solve for x
    x = 617,492,564,984.45/874,592.71
  6. Step 6: Final answer
    x = 706,034.43

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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.