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Finding the Fourth Proportional to 626,835.88, 865,033.50 and 358,563.88

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Solution

The fourth proportional to 626,835.88, 865,033.50 and 358,563.88 is: 494,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,835.88 : 865,033.50 = 358,563.88 : x
  2. Step 2: Convert to fraction form
    626,835.88/865,033.50 = 358,563.88/x
  3. Step 3: Cross multiply
    626,835.88x = 865,033.50 × 358,563.88
  4. Step 4: Simplify right side
    626,835.88x = 310,169,768,089.98
  5. Step 5: Solve for x
    x = 310,169,768,089.98/626,835.88
  6. Step 6: Final answer
    x = 494,818.15

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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.