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Finding the Fourth Proportional to 504,586.43, 756,879.64 and 346,335.11

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Solution

The fourth proportional to 504,586.43, 756,879.64 and 346,335.11 is: 519,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,586.43 : 756,879.64 = 346,335.11 : x
  2. Step 2: Convert to fraction form
    504,586.43/756,879.64 = 346,335.11/x
  3. Step 3: Cross multiply
    504,586.43x = 756,879.64 × 346,335.11
  4. Step 4: Simplify right side
    504,586.43x = 262,133,993,376.16
  5. Step 5: Solve for x
    x = 262,133,993,376.16/504,586.43
  6. Step 6: Final answer
    x = 519,502.66

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Similar ratio
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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.