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Finding the Fourth Proportional to 467,401.60, 700,065.60 and 186,774.40

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Solution

The fourth proportional to 467,401.60, 700,065.60 and 186,774.40 is: 279,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,401.60 : 700,065.60 = 186,774.40 : x
  2. Step 2: Convert to fraction form
    467,401.60/700,065.60 = 186,774.40/x
  3. Step 3: Cross multiply
    467,401.60x = 700,065.60 × 186,774.40
  4. Step 4: Simplify right side
    467,401.60x = 130,754,332,400.64
  5. Step 5: Solve for x
    x = 130,754,332,400.64/467,401.60
  6. Step 6: Final answer
    x = 279,747.29

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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.