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Finding the Fourth Proportional to 623,177.44, 934,391.76 and 243,646

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Solution

The fourth proportional to 623,177.44, 934,391.76 and 243,646 is: 365,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,177.44 : 934,391.76 = 243,646 : x
  2. Step 2: Convert to fraction form
    623,177.44/934,391.76 = 243,646/x
  3. Step 3: Cross multiply
    623,177.44x = 934,391.76 × 243,646
  4. Step 4: Simplify right side
    623,177.44x = 227,660,814,756.96
  5. Step 5: Solve for x
    x = 227,660,814,756.96/623,177.44
  6. Step 6: Final answer
    x = 365,322.62

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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.