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Finding the Fourth Proportional to 473,688.60, 653,670.78 and 258,836.04

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Solution

The fourth proportional to 473,688.60, 653,670.78 and 258,836.04 is: 357,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,688.60 : 653,670.78 = 258,836.04 : x
  2. Step 2: Convert to fraction form
    473,688.60/653,670.78 = 258,836.04/x
  3. Step 3: Cross multiply
    473,688.60x = 653,670.78 × 258,836.04
  4. Step 4: Simplify right side
    473,688.60x = 169,193,556,158.91
  5. Step 5: Solve for x
    x = 169,193,556,158.91/473,688.60
  6. Step 6: Final answer
    x = 357,183.09

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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.