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Finding the Fourth Proportional to 624,688.67, 937,090.19 and 175,406.51

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Solution

The fourth proportional to 624,688.67, 937,090.19 and 175,406.51 is: 263,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,688.67 : 937,090.19 = 175,406.51 : x
  2. Step 2: Convert to fraction form
    624,688.67/937,090.19 = 175,406.51/x
  3. Step 3: Cross multiply
    624,688.67x = 937,090.19 × 175,406.51
  4. Step 4: Simplify right side
    624,688.67x = 164,371,719,783.14
  5. Step 5: Solve for x
    x = 164,371,719,783.14/624,688.67
  6. Step 6: Final answer
    x = 263,125.82

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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.