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Finding the Fourth Proportional to 355,004.70, 532,312.65 and 144,404.70

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Solution

The fourth proportional to 355,004.70, 532,312.65 and 144,404.70 is: 216,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,004.70 : 532,312.65 = 144,404.70 : x
  2. Step 2: Convert to fraction form
    355,004.70/532,312.65 = 144,404.70/x
  3. Step 3: Cross multiply
    355,004.70x = 532,312.65 × 144,404.70
  4. Step 4: Simplify right side
    355,004.70x = 76,868,448,529.46
  5. Step 5: Solve for x
    x = 76,868,448,529.46/355,004.70
  6. Step 6: Final answer
    x = 216,527.97

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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.