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Finding the Fourth Proportional to 607,595.90, 910,081.65 and 528,863.90

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Solution

The fourth proportional to 607,595.90, 910,081.65 and 528,863.90 is: 792,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,595.90 : 910,081.65 = 528,863.90 : x
  2. Step 2: Convert to fraction form
    607,595.90/910,081.65 = 528,863.90/x
  3. Step 3: Cross multiply
    607,595.90x = 910,081.65 × 528,863.90
  4. Step 4: Simplify right side
    607,595.90x = 481,309,330,737.44
  5. Step 5: Solve for x
    x = 481,309,330,737.44/607,595.90
  6. Step 6: Final answer
    x = 792,153.68

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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.