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Finding the Fourth Proportional to 369,720.70, 554,525.54 and 116,968.34

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Solution

The fourth proportional to 369,720.70, 554,525.54 and 116,968.34 is: 175,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,720.70 : 554,525.54 = 116,968.34 : x
  2. Step 2: Convert to fraction form
    369,720.70/554,525.54 = 116,968.34/x
  3. Step 3: Cross multiply
    369,720.70x = 554,525.54 × 116,968.34
  4. Step 4: Simplify right side
    369,720.70x = 64,861,931,901.40
  5. Step 5: Solve for x
    x = 64,861,931,901.40/369,720.70
  6. Step 6: Final answer
    x = 175,434.95

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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.