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Finding the Fourth Proportional to 701,454.42, 968,017.32 and 395,545.50

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Solution

The fourth proportional to 701,454.42, 968,017.32 and 395,545.50 is: 545,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,454.42 : 968,017.32 = 395,545.50 : x
  2. Step 2: Convert to fraction form
    701,454.42/968,017.32 = 395,545.50/x
  3. Step 3: Cross multiply
    701,454.42x = 968,017.32 × 395,545.50
  4. Step 4: Simplify right side
    701,454.42x = 382,894,894,848.06
  5. Step 5: Solve for x
    x = 382,894,894,848.06/701,454.42
  6. Step 6: Final answer
    x = 545,858.55

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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.