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Finding the Fourth Proportional to 610,521.39, 842,569.96 and 338,676.93

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Solution

The fourth proportional to 610,521.39, 842,569.96 and 338,676.93 is: 467,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,521.39 : 842,569.96 = 338,676.93 : x
  2. Step 2: Convert to fraction form
    610,521.39/842,569.96 = 338,676.93/x
  3. Step 3: Cross multiply
    610,521.39x = 842,569.96 × 338,676.93
  4. Step 4: Simplify right side
    610,521.39x = 285,359,007,569.54
  5. Step 5: Solve for x
    x = 285,359,007,569.54/610,521.39
  6. Step 6: Final answer
    x = 467,402.14

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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.