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Finding the Fourth Proportional to 662,529.60, 914,270.88 and 368,178.32

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Solution

The fourth proportional to 662,529.60, 914,270.88 and 368,178.32 is: 508,074.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,529.60 : 914,270.88 = 368,178.32 : x
  2. Step 2: Convert to fraction form
    662,529.60/914,270.88 = 368,178.32/x
  3. Step 3: Cross multiply
    662,529.60x = 914,270.88 × 368,178.32
  4. Step 4: Simplify right side
    662,529.60x = 336,614,716,623.32
  5. Step 5: Solve for x
    x = 336,614,716,623.32/662,529.60
  6. Step 6: Final answer
    x = 508,074.99

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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.