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Finding the Fourth Proportional to 313,728.08, 470,650.44 and 103,374.32

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Solution

The fourth proportional to 313,728.08, 470,650.44 and 103,374.32 is: 155,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,728.08 : 470,650.44 = 103,374.32 : x
  2. Step 2: Convert to fraction form
    313,728.08/470,650.44 = 103,374.32/x
  3. Step 3: Cross multiply
    313,728.08x = 470,650.44 × 103,374.32
  4. Step 4: Simplify right side
    313,728.08x = 48,653,169,192.70
  5. Step 5: Solve for x
    x = 48,653,169,192.70/313,728.08
  6. Step 6: Final answer
    x = 155,080.70

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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.