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Finding the Fourth Proportional to 651,304.40, 977,129.40 and 230,536.40

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Solution

The fourth proportional to 651,304.40, 977,129.40 and 230,536.40 is: 345,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,304.40 : 977,129.40 = 230,536.40 : x
  2. Step 2: Convert to fraction form
    651,304.40/977,129.40 = 230,536.40/x
  3. Step 3: Cross multiply
    651,304.40x = 977,129.40 × 230,536.40
  4. Step 4: Simplify right side
    651,304.40x = 225,263,894,210.16
  5. Step 5: Solve for x
    x = 225,263,894,210.16/651,304.40
  6. Step 6: Final answer
    x = 345,865.76

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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.