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Finding the Fourth Proportional to 255,330.40, 383,141.40 and 176,501.20

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Solution

The fourth proportional to 255,330.40, 383,141.40 and 176,501.20 is: 264,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,330.40 : 383,141.40 = 176,501.20 : x
  2. Step 2: Convert to fraction form
    255,330.40/383,141.40 = 176,501.20/x
  3. Step 3: Cross multiply
    255,330.40x = 383,141.40 × 176,501.20
  4. Step 4: Simplify right side
    255,330.40x = 67,624,916,869.68
  5. Step 5: Solve for x
    x = 67,624,916,869.68/255,330.40
  6. Step 6: Final answer
    x = 264,852.59

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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.