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Finding the Fourth Proportional to 292,907.76, 403,911 and 250,606.32

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Solution

The fourth proportional to 292,907.76, 403,911 and 250,606.32 is: 345,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,907.76 : 403,911 = 250,606.32 : x
  2. Step 2: Convert to fraction form
    292,907.76/403,911 = 250,606.32/x
  3. Step 3: Cross multiply
    292,907.76x = 403,911 × 250,606.32
  4. Step 4: Simplify right side
    292,907.76x = 101,222,649,317.52
  5. Step 5: Solve for x
    x = 101,222,649,317.52/292,907.76
  6. Step 6: Final answer
    x = 345,578.59

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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.