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Finding the Fourth Proportional to 404,032.88, 557,604.80 and 301,881.08

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Solution

The fourth proportional to 404,032.88, 557,604.80 and 301,881.08 is: 416,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,032.88 : 557,604.80 = 301,881.08 : x
  2. Step 2: Convert to fraction form
    404,032.88/557,604.80 = 301,881.08/x
  3. Step 3: Cross multiply
    404,032.88x = 557,604.80 × 301,881.08
  4. Step 4: Simplify right side
    404,032.88x = 168,330,339,237.18
  5. Step 5: Solve for x
    x = 168,330,339,237.18/404,032.88
  6. Step 6: Final answer
    x = 416,625.35

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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.