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Finding the Fourth Proportional to 464,885.18, 641,492.24 and 260,958.54

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Solution

The fourth proportional to 464,885.18, 641,492.24 and 260,958.54 is: 360,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,885.18 : 641,492.24 = 260,958.54 : x
  2. Step 2: Convert to fraction form
    464,885.18/641,492.24 = 260,958.54/x
  3. Step 3: Cross multiply
    464,885.18x = 641,492.24 × 260,958.54
  4. Step 4: Simplify right side
    464,885.18x = 167,402,877,066.94
  5. Step 5: Solve for x
    x = 167,402,877,066.94/464,885.18
  6. Step 6: Final answer
    x = 360,095.11

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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.