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Finding the Fourth Proportional to 354,409.47, 531,541.71 and 101,622.24

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Solution

The fourth proportional to 354,409.47, 531,541.71 and 101,622.24 is: 152,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,409.47 : 531,541.71 = 101,622.24 : x
  2. Step 2: Convert to fraction form
    354,409.47/531,541.71 = 101,622.24/x
  3. Step 3: Cross multiply
    354,409.47x = 531,541.71 × 101,622.24
  4. Step 4: Simplify right side
    354,409.47x = 54,016,459,223.63
  5. Step 5: Solve for x
    x = 54,016,459,223.63/354,409.47
  6. Step 6: Final answer
    x = 152,412.57

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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.