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Finding the Fourth Proportional to 295,612.54, 443,101.39 and 153,315.38

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Solution

The fourth proportional to 295,612.54, 443,101.39 and 153,315.38 is: 229,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,612.54 : 443,101.39 = 153,315.38 : x
  2. Step 2: Convert to fraction form
    295,612.54/443,101.39 = 153,315.38/x
  3. Step 3: Cross multiply
    295,612.54x = 443,101.39 × 153,315.38
  4. Step 4: Simplify right side
    295,612.54x = 67,934,258,710.84
  5. Step 5: Solve for x
    x = 67,934,258,710.84/295,612.54
  6. Step 6: Final answer
    x = 229,808.45

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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.