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Finding the Fourth Proportional to 607,477.90, 911,204.55 and 158,188.84

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Solution

The fourth proportional to 607,477.90, 911,204.55 and 158,188.84 is: 237,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,477.90 : 911,204.55 = 158,188.84 : x
  2. Step 2: Convert to fraction form
    607,477.90/911,204.55 = 158,188.84/x
  3. Step 3: Cross multiply
    607,477.90x = 911,204.55 × 158,188.84
  4. Step 4: Simplify right side
    607,477.90x = 144,142,390,767.22
  5. Step 5: Solve for x
    x = 144,142,390,767.22/607,477.90
  6. Step 6: Final answer
    x = 237,280.06

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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.