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Finding the Fourth Proportional to 635,744.34, 953,782.32 and 369,248.64

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Solution

The fourth proportional to 635,744.34, 953,782.32 and 369,248.64 is: 553,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,744.34 : 953,782.32 = 369,248.64 : x
  2. Step 2: Convert to fraction form
    635,744.34/953,782.32 = 369,248.64/x
  3. Step 3: Cross multiply
    635,744.34x = 953,782.32 × 369,248.64
  4. Step 4: Simplify right side
    635,744.34x = 352,182,824,516.05
  5. Step 5: Solve for x
    x = 352,182,824,516.05/635,744.34
  6. Step 6: Final answer
    x = 553,969.26

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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.