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Finding the Fourth Proportional to 577,627.11, 866,071.59 and 277,510.56

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Solution

The fourth proportional to 577,627.11, 866,071.59 and 277,510.56 is: 416,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,627.11 : 866,071.59 = 277,510.56 : x
  2. Step 2: Convert to fraction form
    577,627.11/866,071.59 = 277,510.56/x
  3. Step 3: Cross multiply
    577,627.11x = 866,071.59 × 277,510.56
  4. Step 4: Simplify right side
    577,627.11x = 240,344,011,940.99
  5. Step 5: Solve for x
    x = 240,344,011,940.99/577,627.11
  6. Step 6: Final answer
    x = 416,088.52

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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.