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Finding the Fourth Proportional to 473,823.60, 653,876.60 and 258,963.67

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Solution

The fourth proportional to 473,823.60, 653,876.60 and 258,963.67 is: 357,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,823.60 : 653,876.60 = 258,963.67 : x
  2. Step 2: Convert to fraction form
    473,823.60/653,876.60 = 258,963.67/x
  3. Step 3: Cross multiply
    473,823.60x = 653,876.60 × 258,963.67
  4. Step 4: Simplify right side
    473,823.60x = 169,330,281,133.61
  5. Step 5: Solve for x
    x = 169,330,281,133.61/473,823.60
  6. Step 6: Final answer
    x = 357,369.88

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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.