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Finding the Fourth Proportional to 518,974.74, 716,020.29 and 304,046.10

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Solution

The fourth proportional to 518,974.74, 716,020.29 and 304,046.10 is: 419,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,974.74 : 716,020.29 = 304,046.10 : x
  2. Step 2: Convert to fraction form
    518,974.74/716,020.29 = 304,046.10/x
  3. Step 3: Cross multiply
    518,974.74x = 716,020.29 × 304,046.10
  4. Step 4: Simplify right side
    518,974.74x = 217,703,176,695.37
  5. Step 5: Solve for x
    x = 217,703,176,695.37/518,974.74
  6. Step 6: Final answer
    x = 419,487.04

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Double scale
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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.