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Finding the Fourth Proportional to 659,806.52, 910,529.79 and 358,000.52

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Solution

The fourth proportional to 659,806.52, 910,529.79 and 358,000.52 is: 494,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,806.52 : 910,529.79 = 358,000.52 : x
  2. Step 2: Convert to fraction form
    659,806.52/910,529.79 = 358,000.52/x
  3. Step 3: Cross multiply
    659,806.52x = 910,529.79 × 358,000.52
  4. Step 4: Simplify right side
    659,806.52x = 325,970,138,295.49
  5. Step 5: Solve for x
    x = 325,970,138,295.49/659,806.52
  6. Step 6: Final answer
    x = 494,038.98

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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.