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Finding the Fourth Proportional to 624,378.42, 936,461.98 and 174,995.90

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Solution

The fourth proportional to 624,378.42, 936,461.98 and 174,995.90 is: 262,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,378.42 : 936,461.98 = 174,995.90 : x
  2. Step 2: Convert to fraction form
    624,378.42/936,461.98 = 174,995.90/x
  3. Step 3: Cross multiply
    624,378.42x = 936,461.98 × 174,995.90
  4. Step 4: Simplify right side
    624,378.42x = 163,877,007,005.88
  5. Step 5: Solve for x
    x = 163,877,007,005.88/624,378.42
  6. Step 6: Final answer
    x = 262,464.24

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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.