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Finding the Fourth Proportional to 691,963.91, 954,061.79 and 569,026.67

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Solution

The fourth proportional to 691,963.91, 954,061.79 and 569,026.67 is: 784,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,963.91 : 954,061.79 = 569,026.67 : x
  2. Step 2: Convert to fraction form
    691,963.91/954,061.79 = 569,026.67/x
  3. Step 3: Cross multiply
    691,963.91x = 954,061.79 × 569,026.67
  4. Step 4: Simplify right side
    691,963.91x = 542,886,604,289.87
  5. Step 5: Solve for x
    x = 542,886,604,289.87/691,963.91
  6. Step 6: Final answer
    x = 784,559.13

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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.