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Finding the Fourth Proportional to 474,316.65, 654,561.72 and 259,452

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Solution

The fourth proportional to 474,316.65, 654,561.72 and 259,452 is: 358,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,316.65 : 654,561.72 = 259,452 : x
  2. Step 2: Convert to fraction form
    474,316.65/654,561.72 = 259,452/x
  3. Step 3: Cross multiply
    474,316.65x = 654,561.72 × 259,452
  4. Step 4: Simplify right side
    474,316.65x = 169,827,347,377.44
  5. Step 5: Solve for x
    x = 169,827,347,377.44/474,316.65
  6. Step 6: Final answer
    x = 358,046.35

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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.