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Finding the Fourth Proportional to 473,802.39, 653,845.73 and 258,942.42

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Solution

The fourth proportional to 473,802.39, 653,845.73 and 258,942.42 is: 357,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,802.39 : 653,845.73 = 258,942.42 : x
  2. Step 2: Convert to fraction form
    473,802.39/653,845.73 = 258,942.42/x
  3. Step 3: Cross multiply
    473,802.39x = 653,845.73 × 258,942.42
  4. Step 4: Simplify right side
    473,802.39x = 169,308,394,338.16
  5. Step 5: Solve for x
    x = 169,308,394,338.16/473,802.39
  6. Step 6: Final answer
    x = 357,339.68

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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.