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Finding the Fourth Proportional to 317,506.50, 476,259.75 and 95,890.50

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Solution

The fourth proportional to 317,506.50, 476,259.75 and 95,890.50 is: 143,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,506.50 : 476,259.75 = 95,890.50 : x
  2. Step 2: Convert to fraction form
    317,506.50/476,259.75 = 95,890.50/x
  3. Step 3: Cross multiply
    317,506.50x = 476,259.75 × 95,890.50
  4. Step 4: Simplify right side
    317,506.50x = 45,668,785,557.38
  5. Step 5: Solve for x
    x = 45,668,785,557.38/317,506.50
  6. Step 6: Final answer
    x = 143,835.75

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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.