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Finding the Fourth Proportional to 570,576.15, 787,339.74 and 341,087.43

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Solution

The fourth proportional to 570,576.15, 787,339.74 and 341,087.43 is: 470,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,576.15 : 787,339.74 = 341,087.43 : x
  2. Step 2: Convert to fraction form
    570,576.15/787,339.74 = 341,087.43/x
  3. Step 3: Cross multiply
    570,576.15x = 787,339.74 × 341,087.43
  4. Step 4: Simplify right side
    570,576.15x = 268,551,688,453.47
  5. Step 5: Solve for x
    x = 268,551,688,453.47/570,576.15
  6. Step 6: Final answer
    x = 470,667.57

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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.