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Finding the Fourth Proportional to 651,688.56, 977,685.84 and 202,386.24

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Solution

The fourth proportional to 651,688.56, 977,685.84 and 202,386.24 is: 303,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,688.56 : 977,685.84 = 202,386.24 : x
  2. Step 2: Convert to fraction form
    651,688.56/977,685.84 = 202,386.24/x
  3. Step 3: Cross multiply
    651,688.56x = 977,685.84 × 202,386.24
  4. Step 4: Simplify right side
    651,688.56x = 197,870,161,058.84
  5. Step 5: Solve for x
    x = 197,870,161,058.84/651,688.56
  6. Step 6: Final answer
    x = 303,626.88

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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.