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Finding the Fourth Proportional to 625,518.51, 936,947.28 and 369,074.70

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Solution

The fourth proportional to 625,518.51, 936,947.28 and 369,074.70 is: 552,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,518.51 : 936,947.28 = 369,074.70 : x
  2. Step 2: Convert to fraction form
    625,518.51/936,947.28 = 369,074.70/x
  3. Step 3: Cross multiply
    625,518.51x = 936,947.28 × 369,074.70
  4. Step 4: Simplify right side
    625,518.51x = 345,803,536,281.82
  5. Step 5: Solve for x
    x = 345,803,536,281.82/625,518.51
  6. Step 6: Final answer
    x = 552,827.02

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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.