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Finding the Fourth Proportional to 560,343.60, 840,223.38 and 200,375.69

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Solution

The fourth proportional to 560,343.60, 840,223.38 and 200,375.69 is: 300,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,343.60 : 840,223.38 = 200,375.69 : x
  2. Step 2: Convert to fraction form
    560,343.60/840,223.38 = 200,375.69/x
  3. Step 3: Cross multiply
    560,343.60x = 840,223.38 × 200,375.69
  4. Step 4: Simplify right side
    560,343.60x = 168,360,336,071.92
  5. Step 5: Solve for x
    x = 168,360,336,071.92/560,343.60
  6. Step 6: Final answer
    x = 300,459.10

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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.