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Finding the Fourth Proportional to 346,609.83, 478,334.25 and 191,562.48

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Solution

The fourth proportional to 346,609.83, 478,334.25 and 191,562.48 is: 264,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,609.83 : 478,334.25 = 191,562.48 : x
  2. Step 2: Convert to fraction form
    346,609.83/478,334.25 = 191,562.48/x
  3. Step 3: Cross multiply
    346,609.83x = 478,334.25 × 191,562.48
  4. Step 4: Simplify right side
    346,609.83x = 91,630,895,198.94
  5. Step 5: Solve for x
    x = 91,630,895,198.94/346,609.83
  6. Step 6: Final answer
    x = 264,363.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.