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Finding the Fourth Proportional to 473,683.41, 711,030.69 and 203,945.04

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Solution

The fourth proportional to 473,683.41, 711,030.69 and 203,945.04 is: 306,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,683.41 : 711,030.69 = 203,945.04 : x
  2. Step 2: Convert to fraction form
    473,683.41/711,030.69 = 203,945.04/x
  3. Step 3: Cross multiply
    473,683.41x = 711,030.69 × 203,945.04
  4. Step 4: Simplify right side
    473,683.41x = 145,011,182,513.28
  5. Step 5: Solve for x
    x = 145,011,182,513.28/473,683.41
  6. Step 6: Final answer
    x = 306,135.24

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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.