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Finding the Fourth Proportional to 624,368.17, 936,446.62 and 174,985.64

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Solution

The fourth proportional to 624,368.17, 936,446.62 and 174,985.64 is: 262,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,368.17 : 936,446.62 = 174,985.64 : x
  2. Step 2: Convert to fraction form
    624,368.17/936,446.62 = 174,985.64/x
  3. Step 3: Cross multiply
    624,368.17x = 936,446.62 × 174,985.64
  4. Step 4: Simplify right side
    624,368.17x = 163,864,711,126.54
  5. Step 5: Solve for x
    x = 163,864,711,126.54/624,368.17
  6. Step 6: Final answer
    x = 262,448.85

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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.