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Finding the Fourth Proportional to 370,353.89, 510,900.57 and 234,158.47

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Solution

The fourth proportional to 370,353.89, 510,900.57 and 234,158.47 is: 323,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,353.89 : 510,900.57 = 234,158.47 : x
  2. Step 2: Convert to fraction form
    370,353.89/510,900.57 = 234,158.47/x
  3. Step 3: Cross multiply
    370,353.89x = 510,900.57 × 234,158.47
  4. Step 4: Simplify right side
    370,353.89x = 119,631,694,516.08
  5. Step 5: Solve for x
    x = 119,631,694,516.08/370,353.89
  6. Step 6: Final answer
    x = 323,019.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.