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Finding the Fourth Proportional to 734,651, 1,013,762.76 and 412,298.86

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Solution

The fourth proportional to 734,651, 1,013,762.76 and 412,298.86 is: 568,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,651 : 1,013,762.76 = 412,298.86 : x
  2. Step 2: Convert to fraction form
    734,651/1,013,762.76 = 412,298.86/x
  3. Step 3: Cross multiply
    734,651x = 1,013,762.76 × 412,298.86
  4. Step 4: Simplify right side
    734,651x = 417,973,230,258.45
  5. Step 5: Solve for x
    x = 417,973,230,258.45/734,651
  6. Step 6: Final answer
    x = 568,941.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.