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Finding the Fourth Proportional to 346,383.68, 519,609.53 and 143,937.95

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Solution

The fourth proportional to 346,383.68, 519,609.53 and 143,937.95 is: 215,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,383.68 : 519,609.53 = 143,937.95 : x
  2. Step 2: Convert to fraction form
    346,383.68/519,609.53 = 143,937.95/x
  3. Step 3: Cross multiply
    346,383.68x = 519,609.53 × 143,937.95
  4. Step 4: Simplify right side
    346,383.68x = 74,791,528,310.46
  5. Step 5: Solve for x
    x = 74,791,528,310.46/346,383.68
  6. Step 6: Final answer
    x = 215,921.05

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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.