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Finding the Fourth Proportional to 465,009.46, 696,864.60 and 251,316.70

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Solution

The fourth proportional to 465,009.46, 696,864.60 and 251,316.70 is: 376,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,009.46 : 696,864.60 = 251,316.70 : x
  2. Step 2: Convert to fraction form
    465,009.46/696,864.60 = 251,316.70/x
  3. Step 3: Cross multiply
    465,009.46x = 696,864.60 × 251,316.70
  4. Step 4: Simplify right side
    465,009.46x = 175,133,711,618.82
  5. Step 5: Solve for x
    x = 175,133,711,618.82/465,009.46
  6. Step 6: Final answer
    x = 376,623.98

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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.