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Finding the Fourth Proportional to 346,700.28, 520,030.62 and 133,425.84

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Solution

The fourth proportional to 346,700.28, 520,030.62 and 133,425.84 is: 200,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,700.28 : 520,030.62 = 133,425.84 : x
  2. Step 2: Convert to fraction form
    346,700.28/520,030.62 = 133,425.84/x
  3. Step 3: Cross multiply
    346,700.28x = 520,030.62 × 133,425.84
  4. Step 4: Simplify right side
    346,700.28x = 69,385,522,299.22
  5. Step 5: Solve for x
    x = 69,385,522,299.22/346,700.28
  6. Step 6: Final answer
    x = 200,131.14

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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.