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Finding the Fourth Proportional to 652,271.64, 900,177.44 and 376,641.13

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Solution

The fourth proportional to 652,271.64, 900,177.44 and 376,641.13 is: 519,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,271.64 : 900,177.44 = 376,641.13 : x
  2. Step 2: Convert to fraction form
    652,271.64/900,177.44 = 376,641.13/x
  3. Step 3: Cross multiply
    652,271.64x = 900,177.44 × 376,641.13
  4. Step 4: Simplify right side
    652,271.64x = 339,043,848,202.11
  5. Step 5: Solve for x
    x = 339,043,848,202.11/652,271.64
  6. Step 6: Final answer
    x = 519,789.34

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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.