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Finding the Fourth Proportional to 649,362.46, 896,103.48 and 362,884.90

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Solution

The fourth proportional to 649,362.46, 896,103.48 and 362,884.90 is: 500,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,362.46 : 896,103.48 = 362,884.90 : x
  2. Step 2: Convert to fraction form
    649,362.46/896,103.48 = 362,884.90/x
  3. Step 3: Cross multiply
    649,362.46x = 896,103.48 × 362,884.90
  4. Step 4: Simplify right side
    649,362.46x = 325,182,421,729.45
  5. Step 5: Solve for x
    x = 325,182,421,729.45/649,362.46
  6. Step 6: Final answer
    x = 500,771.82

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1.5x scale

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.