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Finding the Fourth Proportional to 316,737.37, 475,176.12 and 174,509.40

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Solution

The fourth proportional to 316,737.37, 475,176.12 and 174,509.40 is: 261,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,737.37 : 475,176.12 = 174,509.40 : x
  2. Step 2: Convert to fraction form
    316,737.37/475,176.12 = 174,509.40/x
  3. Step 3: Cross multiply
    316,737.37x = 475,176.12 × 174,509.40
  4. Step 4: Simplify right side
    316,737.37x = 82,922,698,722.98
  5. Step 5: Solve for x
    x = 82,922,698,722.98/316,737.37
  6. Step 6: Final answer
    x = 261,802.70

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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.