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Finding the Fourth Proportional to 345,735.70, 518,602.65 and 96,417.70

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Solution

The fourth proportional to 345,735.70, 518,602.65 and 96,417.70 is: 144,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,735.70 : 518,602.65 = 96,417.70 : x
  2. Step 2: Convert to fraction form
    345,735.70/518,602.65 = 96,417.70/x
  3. Step 3: Cross multiply
    345,735.70x = 518,602.65 × 96,417.70
  4. Step 4: Simplify right side
    345,735.70x = 50,002,474,726.91
  5. Step 5: Solve for x
    x = 50,002,474,726.91/345,735.70
  6. Step 6: Final answer
    x = 144,626.30

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1.5x scale

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.