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Finding the Fourth Proportional to 317,000.94, 475,574.32 and 103,775.74

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Solution

The fourth proportional to 317,000.94, 475,574.32 and 103,775.74 is: 155,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,000.94 : 475,574.32 = 103,775.74 : x
  2. Step 2: Convert to fraction form
    317,000.94/475,574.32 = 103,775.74/x
  3. Step 3: Cross multiply
    317,000.94x = 475,574.32 × 103,775.74
  4. Step 4: Simplify right side
    317,000.94x = 49,353,076,983.00
  5. Step 5: Solve for x
    x = 49,353,076,983.00/317,000.94
  6. Step 6: Final answer
    x = 155,687.48

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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.