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Finding the Fourth Proportional to 561,701.20, 840,802.20 and 404,237.20

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Solution

The fourth proportional to 561,701.20, 840,802.20 and 404,237.20 is: 605,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,701.20 : 840,802.20 = 404,237.20 : x
  2. Step 2: Convert to fraction form
    561,701.20/840,802.20 = 404,237.20/x
  3. Step 3: Cross multiply
    561,701.20x = 840,802.20 × 404,237.20
  4. Step 4: Simplify right side
    561,701.20x = 339,883,527,081.84
  5. Step 5: Solve for x
    x = 339,883,527,081.84/561,701.20
  6. Step 6: Final answer
    x = 605,096.67

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1.5x scale

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.