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Finding the Fourth Proportional to 649,535.81, 967,454.54 and 620,392.67

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Solution

The fourth proportional to 649,535.81, 967,454.54 and 620,392.67 is: 924,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,535.81 : 967,454.54 = 620,392.67 : x
  2. Step 2: Convert to fraction form
    649,535.81/967,454.54 = 620,392.67/x
  3. Step 3: Cross multiply
    649,535.81x = 967,454.54 × 620,392.67
  4. Step 4: Simplify right side
    649,535.81x = 600,201,705,174.22
  5. Step 5: Solve for x
    x = 600,201,705,174.22/649,535.81
  6. Step 6: Final answer
    x = 924,047.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.