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Finding the Fourth Proportional to 346,310.10, 519,465.15 and 188,846.10

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Solution

The fourth proportional to 346,310.10, 519,465.15 and 188,846.10 is: 283,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,310.10 : 519,465.15 = 188,846.10 : x
  2. Step 2: Convert to fraction form
    346,310.10/519,465.15 = 188,846.10/x
  3. Step 3: Cross multiply
    346,310.10x = 519,465.15 × 188,846.10
  4. Step 4: Simplify right side
    346,310.10x = 98,098,967,663.42
  5. Step 5: Solve for x
    x = 98,098,967,663.42/346,310.10
  6. Step 6: Final answer
    x = 283,269.15

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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.