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Finding the Fourth Proportional to 738,955.56, 1,019,770.02 and 432,958.71

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Solution

The fourth proportional to 738,955.56, 1,019,770.02 and 432,958.71 is: 597,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,955.56 : 1,019,770.02 = 432,958.71 : x
  2. Step 2: Convert to fraction form
    738,955.56/1,019,770.02 = 432,958.71/x
  3. Step 3: Cross multiply
    738,955.56x = 1,019,770.02 × 432,958.71
  4. Step 4: Simplify right side
    738,955.56x = 441,518,312,355.87
  5. Step 5: Solve for x
    x = 441,518,312,355.87/738,955.56
  6. Step 6: Final answer
    x = 597,489.67

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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.