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Finding the Fourth Proportional to 607,622.60, 911,433.90 and 292,003.40

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Solution

The fourth proportional to 607,622.60, 911,433.90 and 292,003.40 is: 438,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,622.60 : 911,433.90 = 292,003.40 : x
  2. Step 2: Convert to fraction form
    607,622.60/911,433.90 = 292,003.40/x
  3. Step 3: Cross multiply
    607,622.60x = 911,433.90 × 292,003.40
  4. Step 4: Simplify right side
    607,622.60x = 266,141,797,675.26
  5. Step 5: Solve for x
    x = 266,141,797,675.26/607,622.60
  6. Step 6: Final answer
    x = 438,005.10

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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.