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Finding the Fourth Proportional to 694,805.89, 958,070.72 and 452,639.38

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Solution

The fourth proportional to 694,805.89, 958,070.72 and 452,639.38 is: 624,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,805.89 : 958,070.72 = 452,639.38 : x
  2. Step 2: Convert to fraction form
    694,805.89/958,070.72 = 452,639.38/x
  3. Step 3: Cross multiply
    694,805.89x = 958,070.72 × 452,639.38
  4. Step 4: Simplify right side
    694,805.89x = 433,660,532,038.58
  5. Step 5: Solve for x
    x = 433,660,532,038.58/694,805.89
  6. Step 6: Final answer
    x = 624,146.31

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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.