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Finding the Fourth Proportional to 404,671.42, 558,477.48 and 223,418.26

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Solution

The fourth proportional to 404,671.42, 558,477.48 and 223,418.26 is: 308,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,671.42 : 558,477.48 = 223,418.26 : x
  2. Step 2: Convert to fraction form
    404,671.42/558,477.48 = 223,418.26/x
  3. Step 3: Cross multiply
    404,671.42x = 558,477.48 × 223,418.26
  4. Step 4: Simplify right side
    404,671.42x = 124,774,066,830.79
  5. Step 5: Solve for x
    x = 124,774,066,830.79/404,671.42
  6. Step 6: Final answer
    x = 308,334.27

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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.