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Finding the Fourth Proportional to 651,617, 977,118.76 and 252,444.68

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Solution

The fourth proportional to 651,617, 977,118.76 and 252,444.68 is: 378,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,617 : 977,118.76 = 252,444.68 : x
  2. Step 2: Convert to fraction form
    651,617/977,118.76 = 252,444.68/x
  3. Step 3: Cross multiply
    651,617x = 977,118.76 × 252,444.68
  4. Step 4: Simplify right side
    651,617x = 246,668,432,690.20
  5. Step 5: Solve for x
    x = 246,668,432,690.20/651,617
  6. Step 6: Final answer
    x = 378,548.19

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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.