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Finding the Fourth Proportional to 346,463.70, 520,084.35 and 267,926.10

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Solution

The fourth proportional to 346,463.70, 520,084.35 and 267,926.10 is: 402,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,463.70 : 520,084.35 = 267,926.10 : x
  2. Step 2: Convert to fraction form
    346,463.70/520,084.35 = 267,926.10/x
  3. Step 3: Cross multiply
    346,463.70x = 520,084.35 × 267,926.10
  4. Step 4: Simplify right side
    346,463.70x = 139,344,171,566.54
  5. Step 5: Solve for x
    x = 139,344,171,566.54/346,463.70
  6. Step 6: Final answer
    x = 402,189.82

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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.