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Finding the Fourth Proportional to 560,833.36, 841,222.08 and 205,819.45

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Solution

The fourth proportional to 560,833.36, 841,222.08 and 205,819.45 is: 308,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,833.36 : 841,222.08 = 205,819.45 : x
  2. Step 2: Convert to fraction form
    560,833.36/841,222.08 = 205,819.45/x
  3. Step 3: Cross multiply
    560,833.36x = 841,222.08 × 205,819.45
  4. Step 4: Simplify right side
    560,833.36x = 173,139,865,833.46
  5. Step 5: Solve for x
    x = 173,139,865,833.46/560,833.36
  6. Step 6: Final answer
    x = 308,718.91

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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.