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Finding the Fourth Proportional to 662,477.76, 914,219.46 and 360,671.76

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Solution

The fourth proportional to 662,477.76, 914,219.46 and 360,671.76 is: 497,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,477.76 : 914,219.46 = 360,671.76 : x
  2. Step 2: Convert to fraction form
    662,477.76/914,219.46 = 360,671.76/x
  3. Step 3: Cross multiply
    662,477.76x = 914,219.46 × 360,671.76
  4. Step 4: Simplify right side
    662,477.76x = 329,733,141,664.45
  5. Step 5: Solve for x
    x = 329,733,141,664.45/662,477.76
  6. Step 6: Final answer
    x = 497,727.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.