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Finding the Fourth Proportional to 833,258.63, 1,250,342.98 and 353,411.80

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Solution

The fourth proportional to 833,258.63, 1,250,342.98 and 353,411.80 is: 530,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,258.63 : 1,250,342.98 = 353,411.80 : x
  2. Step 2: Convert to fraction form
    833,258.63/1,250,342.98 = 353,411.80/x
  3. Step 3: Cross multiply
    833,258.63x = 1,250,342.98 × 353,411.80
  4. Step 4: Simplify right side
    833,258.63x = 441,885,959,169.78
  5. Step 5: Solve for x
    x = 441,885,959,169.78/833,258.63
  6. Step 6: Final answer
    x = 530,310.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.