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Finding the Fourth Proportional to 625,519.51, 936,948.78 and 369,075.70

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Solution

The fourth proportional to 625,519.51, 936,948.78 and 369,075.70 is: 552,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,519.51 : 936,948.78 = 369,075.70 : x
  2. Step 2: Convert to fraction form
    625,519.51/936,948.78 = 369,075.70/x
  3. Step 3: Cross multiply
    625,519.51x = 936,948.78 × 369,075.70
  4. Step 4: Simplify right side
    625,519.51x = 345,805,026,842.65
  5. Step 5: Solve for x
    x = 345,805,026,842.65/625,519.51
  6. Step 6: Final answer
    x = 552,828.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.