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Finding the Fourth Proportional to 671,681.58, 926,907.28 and 365,761.72

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Solution

The fourth proportional to 671,681.58, 926,907.28 and 365,761.72 is: 504,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,681.58 : 926,907.28 = 365,761.72 : x
  2. Step 2: Convert to fraction form
    671,681.58/926,907.28 = 365,761.72/x
  3. Step 3: Cross multiply
    671,681.58x = 926,907.28 × 365,761.72
  4. Step 4: Simplify right side
    671,681.58x = 339,027,201,013.32
  5. Step 5: Solve for x
    x = 339,027,201,013.32/671,681.58
  6. Step 6: Final answer
    x = 504,743.93

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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.