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Finding the Fourth Proportional to 473,473.85, 653,389.58 and 258,613.85

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Solution

The fourth proportional to 473,473.85, 653,389.58 and 258,613.85 is: 356,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,473.85 : 653,389.58 = 258,613.85 : x
  2. Step 2: Convert to fraction form
    473,473.85/653,389.58 = 258,613.85/x
  3. Step 3: Cross multiply
    473,473.85x = 653,389.58 × 258,613.85
  4. Step 4: Simplify right side
    473,473.85x = 168,975,590,273.67
  5. Step 5: Solve for x
    x = 168,975,590,273.67/473,473.85
  6. Step 6: Final answer
    x = 356,884.74

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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.