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Finding the Fourth Proportional to 404,522.44, 557,925.18 and 259,341.80

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Solution

The fourth proportional to 404,522.44, 557,925.18 and 259,341.80 is: 357,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,522.44 : 557,925.18 = 259,341.80 : x
  2. Step 2: Convert to fraction form
    404,522.44/557,925.18 = 259,341.80/x
  3. Step 3: Cross multiply
    404,522.44x = 557,925.18 × 259,341.80
  4. Step 4: Simplify right side
    404,522.44x = 144,693,320,446.52
  5. Step 5: Solve for x
    x = 144,693,320,446.52/404,522.44
  6. Step 6: Final answer
    x = 357,689.23

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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.