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Finding the Fourth Proportional to 484,316.16, 668,298.24 and 269,401.92

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Solution

The fourth proportional to 484,316.16, 668,298.24 and 269,401.92 is: 371,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,316.16 : 668,298.24 = 269,401.92 : x
  2. Step 2: Convert to fraction form
    484,316.16/668,298.24 = 269,401.92/x
  3. Step 3: Cross multiply
    484,316.16x = 668,298.24 × 269,401.92
  4. Step 4: Simplify right side
    484,316.16x = 180,040,828,988.62
  5. Step 5: Solve for x
    x = 180,040,828,988.62/484,316.16
  6. Step 6: Final answer
    x = 371,742.35

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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.