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Finding the Fourth Proportional to 616,252, 924,430.56 and 173,020

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Solution

The fourth proportional to 616,252, 924,430.56 and 173,020 is: 259,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,252 : 924,430.56 = 173,020 : x
  2. Step 2: Convert to fraction form
    616,252/924,430.56 = 173,020/x
  3. Step 3: Cross multiply
    616,252x = 924,430.56 × 173,020
  4. Step 4: Simplify right side
    616,252x = 159,944,975,491.20
  5. Step 5: Solve for x
    x = 159,944,975,491.20/616,252
  6. Step 6: Final answer
    x = 259,544.76

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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.