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Finding the Fourth Proportional to 626,833.13, 865,029.71 and 358,561.13

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Solution

The fourth proportional to 626,833.13, 865,029.71 and 358,561.13 is: 494,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,833.13 : 865,029.71 = 358,561.13 : x
  2. Step 2: Convert to fraction form
    626,833.13/865,029.71 = 358,561.13/x
  3. Step 3: Cross multiply
    626,833.13x = 865,029.71 × 358,561.13
  4. Step 4: Simplify right side
    626,833.13x = 310,166,026,872.43
  5. Step 5: Solve for x
    x = 310,166,026,872.43/626,833.13
  6. Step 6: Final answer
    x = 494,814.35

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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.