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Finding the Fourth Proportional to 453,898.50, 626,169.74 and 292,805.51

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Solution

The fourth proportional to 453,898.50, 626,169.74 and 292,805.51 is: 403,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,898.50 : 626,169.74 = 292,805.51 : x
  2. Step 2: Convert to fraction form
    453,898.50/626,169.74 = 292,805.51/x
  3. Step 3: Cross multiply
    453,898.50x = 626,169.74 × 292,805.51
  4. Step 4: Simplify right side
    453,898.50x = 183,345,945,472.39
  5. Step 5: Solve for x
    x = 183,345,945,472.39/453,898.50
  6. Step 6: Final answer
    x = 403,936.00

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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.