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Finding the Fourth Proportional to 705,327.02, 973,649.12 and 476,194.55

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Solution

The fourth proportional to 705,327.02, 973,649.12 and 476,194.55 is: 657,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,327.02 : 973,649.12 = 476,194.55 : x
  2. Step 2: Convert to fraction form
    705,327.02/973,649.12 = 476,194.55/x
  3. Step 3: Cross multiply
    705,327.02x = 973,649.12 × 476,194.55
  4. Step 4: Simplify right side
    705,327.02x = 463,646,404,556.30
  5. Step 5: Solve for x
    x = 463,646,404,556.30/705,327.02
  6. Step 6: Final answer
    x = 657,349.56

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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.