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Finding the Fourth Proportional to 649,485.84, 974,349.72 and 229,028.88

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Solution

The fourth proportional to 649,485.84, 974,349.72 and 229,028.88 is: 343,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,485.84 : 974,349.72 = 229,028.88 : x
  2. Step 2: Convert to fraction form
    649,485.84/974,349.72 = 229,028.88/x
  3. Step 3: Cross multiply
    649,485.84x = 974,349.72 × 229,028.88
  4. Step 4: Simplify right side
    649,485.84x = 223,154,225,099.91
  5. Step 5: Solve for x
    x = 223,154,225,099.91/649,485.84
  6. Step 6: Final answer
    x = 343,585.97

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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.