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Finding the Fourth Proportional to 346,417.92, 519,208.32 and 168,658.56

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Solution

The fourth proportional to 346,417.92, 519,208.32 and 168,658.56 is: 252,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,417.92 : 519,208.32 = 168,658.56 : x
  2. Step 2: Convert to fraction form
    346,417.92/519,208.32 = 168,658.56/x
  3. Step 3: Cross multiply
    346,417.92x = 519,208.32 × 168,658.56
  4. Step 4: Simplify right side
    346,417.92x = 87,568,927,591.22
  5. Step 5: Solve for x
    x = 87,568,927,591.22/346,417.92
  6. Step 6: Final answer
    x = 252,784.06

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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.