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Finding the Fourth Proportional to 662,102.61, 993,252.73 and 307,152.51

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Solution

The fourth proportional to 662,102.61, 993,252.73 and 307,152.51 is: 460,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,102.61 : 993,252.73 = 307,152.51 : x
  2. Step 2: Convert to fraction form
    662,102.61/993,252.73 = 307,152.51/x
  3. Step 3: Cross multiply
    662,102.61x = 993,252.73 × 307,152.51
  4. Step 4: Simplify right side
    662,102.61x = 305,080,069,083.85
  5. Step 5: Solve for x
    x = 305,080,069,083.85/662,102.61
  6. Step 6: Final answer
    x = 460,774.61

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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.