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Finding the Fourth Proportional to 346,313.70, 519,616.35 and 188,655.30

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Solution

The fourth proportional to 346,313.70, 519,616.35 and 188,655.30 is: 283,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,313.70 : 519,616.35 = 188,655.30 : x
  2. Step 2: Convert to fraction form
    346,313.70/519,616.35 = 188,655.30/x
  3. Step 3: Cross multiply
    346,313.70x = 519,616.35 × 188,655.30
  4. Step 4: Simplify right side
    346,313.70x = 98,028,378,394.16
  5. Step 5: Solve for x
    x = 98,028,378,394.16/346,313.70
  6. Step 6: Final answer
    x = 283,062.37

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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.