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Finding the Fourth Proportional to 652,275.89, 900,183.32 and 376,645.38

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Solution

The fourth proportional to 652,275.89, 900,183.32 and 376,645.38 is: 519,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,275.89 : 900,183.32 = 376,645.38 : x
  2. Step 2: Convert to fraction form
    652,275.89/900,183.32 = 376,645.38/x
  3. Step 3: Cross multiply
    652,275.89x = 900,183.32 × 376,645.38
  4. Step 4: Simplify right side
    652,275.89x = 339,049,886,747.84
  5. Step 5: Solve for x
    x = 339,049,886,747.84/652,275.89
  6. Step 6: Final answer
    x = 519,795.22

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1.5x scale

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.