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Finding the Fourth Proportional to 616,472, 924,708 and 173,240

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Solution

The fourth proportional to 616,472, 924,708 and 173,240 is: 259,860

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,472 : 924,708 = 173,240 : x
  2. Step 2: Convert to fraction form
    616,472/924,708 = 173,240/x
  3. Step 3: Cross multiply
    616,472x = 924,708 × 173,240
  4. Step 4: Simplify right side
    616,472x = 160,196,413,920
  5. Step 5: Solve for x
    x = 160,196,413,920/616,472
  6. Step 6: Final answer
    x = 259,860

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.