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Finding the Fourth Proportional to 348,445.69, 480,346.07 and 246,290.92

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Solution

The fourth proportional to 348,445.69, 480,346.07 and 246,290.92 is: 339,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,445.69 : 480,346.07 = 246,290.92 : x
  2. Step 2: Convert to fraction form
    348,445.69/480,346.07 = 246,290.92/x
  3. Step 3: Cross multiply
    348,445.69x = 480,346.07 × 246,290.92
  4. Step 4: Simplify right side
    348,445.69x = 118,304,875,498.68
  5. Step 5: Solve for x
    x = 118,304,875,498.68/348,445.69
  6. Step 6: Final answer
    x = 339,521.71

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Double scale
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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.