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Finding the Fourth Proportional to 607,203.05, 910,645.61 and 180,623.94

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Solution

The fourth proportional to 607,203.05, 910,645.61 and 180,623.94 is: 270,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,203.05 : 910,645.61 = 180,623.94 : x
  2. Step 2: Convert to fraction form
    607,203.05/910,645.61 = 180,623.94/x
  3. Step 3: Cross multiply
    607,203.05x = 910,645.61 × 180,623.94
  4. Step 4: Simplify right side
    607,203.05x = 164,484,393,703.86
  5. Step 5: Solve for x
    x = 164,484,393,703.86/607,203.05
  6. Step 6: Final answer
    x = 270,888.62

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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.