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Finding the Fourth Proportional to 705,572.54, 973,690.89 and 383,282.63

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Solution

The fourth proportional to 705,572.54, 973,690.89 and 383,282.63 is: 528,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,572.54 : 973,690.89 = 383,282.63 : x
  2. Step 2: Convert to fraction form
    705,572.54/973,690.89 = 383,282.63/x
  3. Step 3: Cross multiply
    705,572.54x = 973,690.89 × 383,282.63
  4. Step 4: Simplify right side
    705,572.54x = 373,198,805,126.24
  5. Step 5: Solve for x
    x = 373,198,805,126.24/705,572.54
  6. Step 6: Final answer
    x = 528,930.46

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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.