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Finding the Fourth Proportional to 624,496.64, 936,803.72 and 175,215.76

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Solution

The fourth proportional to 624,496.64, 936,803.72 and 175,215.76 is: 262,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,496.64 : 936,803.72 = 175,215.76 : x
  2. Step 2: Convert to fraction form
    624,496.64/936,803.72 = 175,215.76/x
  3. Step 3: Cross multiply
    624,496.64x = 936,803.72 × 175,215.76
  4. Step 4: Simplify right side
    624,496.64x = 164,142,775,770.63
  5. Step 5: Solve for x
    x = 164,142,775,770.63/624,496.64
  6. Step 6: Final answer
    x = 262,840.13

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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.