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Finding the Fourth Proportional to 501,907.72, 692,633.82 and 275,567.80

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Solution

The fourth proportional to 501,907.72, 692,633.82 and 275,567.80 is: 380,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,907.72 : 692,633.82 = 275,567.80 : x
  2. Step 2: Convert to fraction form
    501,907.72/692,633.82 = 275,567.80/x
  3. Step 3: Cross multiply
    501,907.72x = 692,633.82 × 275,567.80
  4. Step 4: Simplify right side
    501,907.72x = 190,867,577,983.00
  5. Step 5: Solve for x
    x = 190,867,577,983.00/501,907.72
  6. Step 6: Final answer
    x = 380,284.20

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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.